[dev.typeparams] all: merge master (c8f4e61) into dev.typeparams

Conflicts:

- src/runtime/internal/sys/zgoarch_386.go
- src/runtime/internal/sys/zgoarch_amd64.go
- src/runtime/internal/sys/zgoarch_arm.go
- src/runtime/internal/sys/zgoarch_arm64.go
- src/runtime/internal/sys/zgoarch_arm64be.go
- src/runtime/internal/sys/zgoarch_armbe.go
- src/runtime/internal/sys/zgoarch_mips.go
- src/runtime/internal/sys/zgoarch_mips64.go
- src/runtime/internal/sys/zgoarch_mips64le.go
- src/runtime/internal/sys/zgoarch_mips64p32.go
- src/runtime/internal/sys/zgoarch_mips64p32le.go
- src/runtime/internal/sys/zgoarch_mipsle.go
- src/runtime/internal/sys/zgoarch_ppc.go
- src/runtime/internal/sys/zgoarch_ppc64.go
- src/runtime/internal/sys/zgoarch_ppc64le.go
- src/runtime/internal/sys/zgoarch_riscv.go
- src/runtime/internal/sys/zgoarch_riscv64.go
- src/runtime/internal/sys/zgoarch_s390.go
- src/runtime/internal/sys/zgoarch_s390x.go
- src/runtime/internal/sys/zgoarch_sparc.go
- src/runtime/internal/sys/zgoarch_sparc64.go
- src/runtime/internal/sys/zgoarch_wasm.go

  On dev.typeparams, CL 328336 moved these files to internal/goarch;
  whereas on master, CL 333909 reserved GOARCH=loong64. For this CL,
  I resolved the conflict by simply running "go generate internal/goarch".

Merge List:

+ 2021-07-19 c8f4e6152d spec: correct example comment in Conversions from slice to array
+ 2021-07-19 1d91551b73 time: correct typo in documentation for UnixMicro
+ 2021-07-19 404127c30f cmd/compile: fix off-by-one error in traceback argument counting
+ 2021-07-19 6298cfe672 cmd/compile: fix typo in fatal message of builtinCall
+ 2021-07-19 49402bee36 cmd/{compile,link}: fix bug in map.zero handling
+ 2021-07-18 a66190ecee test/bench/go1: fix size for RegexpMatchMedium_32
+ 2021-07-18 650fc2117a text/scanner: use Go convention in Position doc comment
+ 2021-07-16 aa4e0f528e net/http:  correct capitalization in cancelTimeBody comment
+ 2021-07-15 0941dbca6a testing: clarify in docs that TestMain is advanced
+ 2021-07-15 69728ead87 cmd/go: update error messages in tests to match CL 332573
+ 2021-07-15 c1cc9f9c3d cmd/compile: fix lookup package of redeclared dot import symbol
+ 2021-07-15 21a04e3335 doc/go1.17: mention GOARCH=loong64
+ 2021-07-14 2b00a54baf go/build, runtime/internal/sys: reserve GOARCH=loong64
+ 2021-07-14 60ddf42b46 cmd/go: change link in error message from /wiki to /doc.
+ 2021-07-13 d8f348a589 cmd/go: remove a duplicated word from 'go help mod graph'
+ 2021-07-12 a98589711d crypto/tls: test key type when casting
+ 2021-07-12 cfbd73ba33 doc/go1.17: editing pass over the "Compiler" section
+ 2021-07-09 ab4085ce84 runtime/pprof: call runtime.GC twice in memory profile test

Change-Id: I1490a4c7e4c560659c21a4eb67d243f35d1f908e

diff --cc src/cmd/compile/internal/gc/obj.go
Simple merge

diff --cc src/cmd/compile/internal/ssagen/ssa.go
Simple merge

diff --cc src/cmd/compile/internal/typecheck/dcl.go
Simple merge

diff --cc src/cmd/compile/internal/typecheck/iimport.go
Simple merge

diff --cc src/internal/goarch/zgoarch_386.go
index 7fa23b07efb246eecc5c6ebf4761fd183795b859,0000000000000000000000000000000000000000..2395b8095149f49444fbeae7eb1551dcbc3ee7c8
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_386.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_386.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build 386
 +// +build 386
 +
 +package goarch
 +
 +const GOARCH = `386`
 +
 +const Is386 = 1
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_amd64.go
index a6bf1cc6f4a5601071a6bff790b4375a30156fc2,0000000000000000000000000000000000000000..c301d279c17fa64a978f1fc5071d56cb50b9377f
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_amd64.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_amd64.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build amd64
 +// +build amd64
 +
 +package goarch
 +
 +const GOARCH = `amd64`
 +
 +const Is386 = 0
 +const IsAmd64 = 1
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_arm.go
index dcdaa1f44dceee0d4dea084e5e56da7e38add2ef,0000000000000000000000000000000000000000..4a5ff379995d096952bf99d752f97257d30c2498
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_arm.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_arm.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build arm
 +// +build arm
 +
 +package goarch
 +
 +const GOARCH = `arm`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 1
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_arm64.go
index dd8d9806ab74f822e4dfe1be7867f759bfe40e59,0000000000000000000000000000000000000000..840e280f94bd93c717773725a64a772a9a497924
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_arm64.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_arm64.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build arm64
 +// +build arm64
 +
 +package goarch
 +
 +const GOARCH = `arm64`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 1
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_arm64be.go
index a37df97031d8eb5651d646dd09653bfdfb9876e6,0000000000000000000000000000000000000000..bdbe5faacf1535e6fe0c683fe39563fbfa881626
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_arm64be.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_arm64be.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build arm64be
 +// +build arm64be
 +
 +package goarch
 +
 +const GOARCH = `arm64be`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 1
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_armbe.go
index 909b1143305ca3eabd76c82ee861743066bcf8c8,0000000000000000000000000000000000000000..36be514a0b486df9f3a56bd26afc38bf5d097f4e
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_armbe.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_armbe.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build armbe
 +// +build armbe
 +
 +package goarch
 +
 +const GOARCH = `armbe`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 1
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_loong64.go
index 0000000000000000000000000000000000000000,0000000000000000000000000000000000000000..9465cf5bf5de126e9fff0cc4a3a1e8b1c63cd499
new file mode 100644 (file)
--- /dev/null
--- /dev/null
+++ b/src/internal/goarch/zgoarch_loong64.go
@@@ -1,0 -1,0 +1,33 @@@
++// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
++
++//go:build loong64
++// +build loong64
++
++package goarch
++
++const GOARCH = `loong64`
++
++const Is386 = 0
++const IsAmd64 = 0
++const IsAmd64p32 = 0
++const IsArm = 0
++const IsArmbe = 0
++const IsArm64 = 0
++const IsArm64be = 0
++const IsPpc64 = 0
++const IsPpc64le = 0
++const IsLoong64 = 1
++const IsMips = 0
++const IsMipsle = 0
++const IsMips64 = 0
++const IsMips64le = 0
++const IsMips64p32 = 0
++const IsMips64p32le = 0
++const IsPpc = 0
++const IsRiscv = 0
++const IsRiscv64 = 0
++const IsS390 = 0
++const IsS390x = 0
++const IsSparc = 0
++const IsSparc64 = 0
++const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_mips.go
index 0ff91f201a17794d3a2a810b9ec3fb23cbe657e2,0000000000000000000000000000000000000000..e1458c0485e3218aefd7d17a32f6e4a352c3e3a9
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_mips.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_mips.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build mips
 +// +build mips
 +
 +package goarch
 +
 +const GOARCH = `mips`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 1
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_mips64.go
index 3b61356b182cab2e3a4c44412e140abec482a466,0000000000000000000000000000000000000000..7de345e32198aee8e1e507c8ec1dd95a6108c042
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_mips64.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_mips64.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build mips64
 +// +build mips64
 +
 +package goarch
 +
 +const GOARCH = `mips64`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 1
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_mips64le.go
index 14c9330cad676f271e6cd5d47184f40170efccd7,0000000000000000000000000000000000000000..96b1c3c021c4737d586b507ae2facb8bc72df183
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_mips64le.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_mips64le.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build mips64le
 +// +build mips64le
 +
 +package goarch
 +
 +const GOARCH = `mips64le`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 1
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_mips64p32.go
index b7429f2bf36dad8612d165ee0485aa49f08ffd5d,0000000000000000000000000000000000000000..91d1f3c4df88a0103eec56b4c276738d98ea6434
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_mips64p32.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_mips64p32.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build mips64p32
 +// +build mips64p32
 +
 +package goarch
 +
 +const GOARCH = `mips64p32`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 1
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_mips64p32le.go
index 35c21c1675ca8b3f2fe18d7f34611a00e145fb4a,0000000000000000000000000000000000000000..18f2ef2347be5cc9cb1e6c55daabed4e93fd2da3
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_mips64p32le.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_mips64p32le.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build mips64p32le
 +// +build mips64p32le
 +
 +package goarch
 +
 +const GOARCH = `mips64p32le`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 1
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_mipsle.go
index ba7be189bc64bfaf90ba28e7a852ff16c4d9fade,0000000000000000000000000000000000000000..4551de1a3259e1ebce7d809650bff4d4ccad86d8
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_mipsle.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_mipsle.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build mipsle
 +// +build mipsle
 +
 +package goarch
 +
 +const GOARCH = `mipsle`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 1
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_ppc.go
index ab19982a12095ef02fd99e938b30c9f38d3af9b4,0000000000000000000000000000000000000000..ffed58c2e514a4d5226e41c314a0dbec1509eed0
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_ppc.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_ppc.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build ppc
 +// +build ppc
 +
 +package goarch
 +
 +const GOARCH = `ppc`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 1
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_ppc64.go
index d3e35ca877c613a8574d87d29f480ef066715679,0000000000000000000000000000000000000000..c369c741664faceef14ea207016b3151bb45188d
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_ppc64.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_ppc64.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build ppc64
 +// +build ppc64
 +
 +package goarch
 +
 +const GOARCH = `ppc64`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 1
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_ppc64le.go
index ef24e95c4d9c062ebc0051a406c1ebf908c298e6,0000000000000000000000000000000000000000..de5bae2a810cea079eab7fd27228d41c79987a76
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_ppc64le.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_ppc64le.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build ppc64le
 +// +build ppc64le
 +
 +package goarch
 +
 +const GOARCH = `ppc64le`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 1
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_riscv.go
index fe6b385c504f0bd0b77df3562eebfef4f7e1590f,0000000000000000000000000000000000000000..07c9d81b397baa4e7072c84a0b2ba752a2eca9d8
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_riscv.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_riscv.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build riscv
 +// +build riscv
 +
 +package goarch
 +
 +const GOARCH = `riscv`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 1
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_riscv64.go
index 85299a6b4be94302bc65b75437af2bd163b9feb5,0000000000000000000000000000000000000000..24e6ef3fdf439161ff0ab628a5bcf90e0a2eecae
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_riscv64.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_riscv64.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build riscv64
 +// +build riscv64
 +
 +package goarch
 +
 +const GOARCH = `riscv64`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 1
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_s390.go
index 39325c473ef1593c6e95cca6ce0a6020636ba3dc,0000000000000000000000000000000000000000..429206d653a6202eeb9c59a154efc5e21def8daa
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_s390.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_s390.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build s390
 +// +build s390
 +
 +package goarch
 +
 +const GOARCH = `s390`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 1
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_s390x.go
index 64d714ace21ff3b17efa65f3f717c3fb73f99891,0000000000000000000000000000000000000000..0c5900521640de380c97a9e3511f87da1b42aed2
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_s390x.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_s390x.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build s390x
 +// +build s390x
 +
 +package goarch
 +
 +const GOARCH = `s390x`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 1
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_sparc.go
index 9ccd36241494eb87316324e44f55a507cba74f4c,0000000000000000000000000000000000000000..83a356e4c7a03bd6074cd8b7a28ffb4100143a63
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_sparc.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_sparc.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build sparc
 +// +build sparc
 +
 +package goarch
 +
 +const GOARCH = `sparc`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 1
 +const IsSparc64 = 0
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_sparc64.go
index 490a714eb6c196906f1c3735909740a3470d2cf9,0000000000000000000000000000000000000000..7c9d40986ecb13a522a4ca2cc1b74f2fa89db585
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_sparc64.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_sparc64.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build sparc64
 +// +build sparc64
 +
 +package goarch
 +
 +const GOARCH = `sparc64`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 1
 +const IsWasm = 0

diff --cc src/internal/goarch/zgoarch_wasm.go
index a4b4a38401ade3225c9f188aa842b8289df95acb,0000000000000000000000000000000000000000..5aac1dfc47975aacbeb3f9164b3213a89aeb6aad
mode 100644,000000..100644
--- 1/src/internal/goarch/zgoarch_wasm.go
--- /dev/null
+++ b/src/internal/goarch/zgoarch_wasm.go
@@@ -1,32 -1,0 +1,33 @@@
 +// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.
 +
 +//go:build wasm
 +// +build wasm
 +
 +package goarch
 +
 +const GOARCH = `wasm`
 +
 +const Is386 = 0
 +const IsAmd64 = 0
 +const IsAmd64p32 = 0
 +const IsArm = 0
 +const IsArmbe = 0
 +const IsArm64 = 0
 +const IsArm64be = 0
 +const IsPpc64 = 0
 +const IsPpc64le = 0
++const IsLoong64 = 0
 +const IsMips = 0
 +const IsMipsle = 0
 +const IsMips64 = 0
 +const IsMips64le = 0
 +const IsMips64p32 = 0
 +const IsMips64p32le = 0
 +const IsPpc = 0
 +const IsRiscv = 0
 +const IsRiscv64 = 0
 +const IsS390 = 0
 +const IsS390x = 0
 +const IsSparc = 0
 +const IsSparc64 = 0
 +const IsWasm = 1

diff --cc test/run.go
index 3ccf1046ceb72023f877e58e80a9de7a4f993ee9,d7f5d02391b67dbf2641af524889520c705761b3..ce0d645985ed9e2429e297ae76d7b9848e00d945
--- 1/test/run.go
--- 2/test/run.go
+++ b/test/run.go
@@@ -2093,162 -1941,66 +2093,163 @@@ func overlayDir(dstRoot, srcRoot string
        })
  }
  
 +// The following is temporary scaffolding to get types2 typechecker
 +// up and running against the existing test cases. The explicitly
 +// listed files don't pass yet, usually because the error messages
 +// are slightly different (this list is not complete). Any errorcheck
 +// tests that require output from analysis phases past initial type-
 +// checking are also excluded since these phases are not running yet.
 +// We can get rid of this code once types2 is fully plugged in.
 +
  // List of files that the compiler cannot errorcheck with the new typechecker (compiler -G option).
  // Temporary scaffolding until we pass all the tests at which point this map can be removed.
 -var excluded = map[string]bool{
 -      "complit1.go":     true, // types2 reports extra errors
 -      "const2.go":       true, // types2 not run after syntax errors
 -      "ddd1.go":         true, // issue #42987
 -      "directive.go":    true, // misplaced compiler directive checks
 -      "float_lit3.go":   true, // types2 reports extra errors
 -      "import1.go":      true, // types2 reports extra errors
 -      "import5.go":      true, // issue #42988
 -      "import6.go":      true, // issue #43109
 -      "initializerr.go": true, // types2 reports extra errors
 -      "linkname2.go":    true, // error reported by noder (not running for types2 errorcheck test)
 -      "notinheap.go":    true, // types2 doesn't report errors about conversions that are invalid due to //go:notinheap
 -      "shift1.go":       true, // issue #42989
 -      "typecheck.go":    true, // invalid function is not causing errors when called
 -      "writebarrier.go": true, // correct diagnostics, but different lines (probably irgen's fault)
 -
 -      "fixedbugs/bug176.go":    true, // types2 reports all errors (pref: types2)
 -      "fixedbugs/bug195.go":    true, // types2 reports slightly different (but correct) bugs
 -      "fixedbugs/bug228.go":    true, // types2 not run after syntax errors
 -      "fixedbugs/bug231.go":    true, // types2 bug? (same error reported twice)
 -      "fixedbugs/bug255.go":    true, // types2 reports extra errors
 -      "fixedbugs/bug351.go":    true, // types2 reports extra errors
 -      "fixedbugs/bug374.go":    true, // types2 reports extra errors
 -      "fixedbugs/bug385_32.go": true, // types2 doesn't produce missing error "type .* too large" (32-bit specific)
 -      "fixedbugs/bug388.go":    true, // types2 not run due to syntax errors
 -      "fixedbugs/bug412.go":    true, // types2 produces a follow-on error
 -
 -      "fixedbugs/issue11590.go":  true, // types2 doesn't report a follow-on error (pref: types2)
 -      "fixedbugs/issue11610.go":  true, // types2 not run after syntax errors
 -      "fixedbugs/issue11614.go":  true, // types2 reports an extra error
 -      "fixedbugs/issue13415.go":  true, // declared but not used conflict
 -      "fixedbugs/issue14520.go":  true, // missing import path error by types2
 -      "fixedbugs/issue16428.go":  true, // types2 reports two instead of one error
 -      "fixedbugs/issue17038.go":  true, // types2 doesn't report a follow-on error (pref: types2)
 -      "fixedbugs/issue17645.go":  true, // multiple errors on same line
 -      "fixedbugs/issue18331.go":  true, // missing error about misuse of //go:noescape (irgen needs code from noder)
 -      "fixedbugs/issue18393.go":  true, // types2 not run after syntax errors
 -      "fixedbugs/issue19012.go":  true, // multiple errors on same line
 -      "fixedbugs/issue20233.go":  true, // types2 reports two instead of one error (pref: compiler)
 -      "fixedbugs/issue20245.go":  true, // types2 reports two instead of one error (pref: compiler)
 -      "fixedbugs/issue20250.go":  true, // correct diagnostics, but different lines (probably irgen's fault)
 -      "fixedbugs/issue21979.go":  true, // types2 doesn't report a follow-on error (pref: types2)
 -      "fixedbugs/issue23732.go":  true, // types2 reports different (but ok) line numbers
 -      "fixedbugs/issue25958.go":  true, // types2 doesn't report a follow-on error (pref: types2)
 -      "fixedbugs/issue28079b.go": true, // types2 reports follow-on errors
 -      "fixedbugs/issue28268.go":  true, // types2 reports follow-on errors
 -      "fixedbugs/issue33460.go":  true, // types2 reports alternative positions in separate error
 -      "fixedbugs/issue41575.go":  true, // types2 reports alternative positions in separate error
 -      "fixedbugs/issue42058a.go": true, // types2 doesn't report "channel element type too large"
 -      "fixedbugs/issue42058b.go": true, // types2 doesn't report "channel element type too large"
 -      "fixedbugs/issue4232.go":   true, // types2 reports (correct) extra errors
 -      "fixedbugs/issue4452.go":   true, // types2 reports (correct) extra errors
 -      "fixedbugs/issue5609.go":   true, // types2 needs a better error message
 -      "fixedbugs/issue6889.go":   true, // types2 can handle this without constant overflow
 -      "fixedbugs/issue7525.go":   true, // types2 reports init cycle error on different line - ok otherwise
 -      "fixedbugs/issue7525b.go":  true, // types2 reports init cycle error on different line - ok otherwise
 -      "fixedbugs/issue7525c.go":  true, // types2 reports init cycle error on different line - ok otherwise
 -      "fixedbugs/issue7525d.go":  true, // types2 reports init cycle error on different line - ok otherwise
 -      "fixedbugs/issue7525e.go":  true, // types2 reports init cycle error on different line - ok otherwise
 -      "fixedbugs/issue46749.go":  true, // types2 reports can not convert error instead of type mismatched
 +var types2Failures = setOf(
 +      "directive.go",    // misplaced compiler directive checks
 +      "float_lit3.go",   // types2 reports extra errors
 +      "import1.go",      // types2 reports extra errors
 +      "import6.go",      // issue #43109
 +      "initializerr.go", // types2 reports extra errors
 +      "linkname2.go",    // error reported by noder (not running for types2 errorcheck test)
 +      "notinheap.go",    // types2 doesn't report errors about conversions that are invalid due to //go:notinheap
 +      "shift1.go",       // issue #42989
 +      "typecheck.go",    // invalid function is not causing errors when called
 +
 +      "interface/private.go", // types2 phrases errors differently (doesn't use non-spec "private" term)
 +
 +      "fixedbugs/bug176.go", // types2 reports all errors (pref: types2)
 +      "fixedbugs/bug195.go", // types2 reports slightly different (but correct) bugs
 +      "fixedbugs/bug228.go", // types2 doesn't run when there are syntax errors
 +      "fixedbugs/bug231.go", // types2 bug? (same error reported twice)
 +      "fixedbugs/bug255.go", // types2 reports extra errors
 +      "fixedbugs/bug374.go", // types2 reports extra errors
 +      "fixedbugs/bug388.go", // types2 not run due to syntax errors
 +      "fixedbugs/bug412.go", // types2 produces a follow-on error
 +
 +      "fixedbugs/issue10700.go",  // types2 reports ok hint, but does not match regexp
 +      "fixedbugs/issue11590.go",  // types2 doesn't report a follow-on error (pref: types2)
 +      "fixedbugs/issue11610.go",  // types2 not run after syntax errors
 +      "fixedbugs/issue11614.go",  // types2 reports an extra error
 +      "fixedbugs/issue14520.go",  // missing import path error by types2
 +      "fixedbugs/issue16133.go",  // types2 doesn't use package path for qualified identifiers when package name is ambiguous
 +      "fixedbugs/issue16428.go",  // types2 reports two instead of one error
 +      "fixedbugs/issue17038.go",  // types2 doesn't report a follow-on error (pref: types2)
 +      "fixedbugs/issue17645.go",  // multiple errors on same line
 +      "fixedbugs/issue18331.go",  // missing error about misuse of //go:noescape (irgen needs code from noder)
 +      "fixedbugs/issue18419.go",  // types2 reports
 +      "fixedbugs/issue19012.go",  // multiple errors on same line
 +      "fixedbugs/issue20233.go",  // types2 reports two instead of one error (pref: compiler)
 +      "fixedbugs/issue20245.go",  // types2 reports two instead of one error (pref: compiler)
 +      "fixedbugs/issue21979.go",  // types2 doesn't report a follow-on error (pref: types2)
 +      "fixedbugs/issue23732.go",  // types2 reports different (but ok) line numbers
 +      "fixedbugs/issue25958.go",  // types2 doesn't report a follow-on error (pref: types2)
 +      "fixedbugs/issue28079b.go", // types2 reports follow-on errors
 +      "fixedbugs/issue28268.go",  // types2 reports follow-on errors
 +      "fixedbugs/issue31053.go",  // types2 reports "unknown field" instead of "cannot refer to unexported field"
 +      "fixedbugs/issue33460.go",  // types2 reports alternative positions in separate error
 +      "fixedbugs/issue42058a.go", // types2 doesn't report "channel element type too large"
 +      "fixedbugs/issue42058b.go", // types2 doesn't report "channel element type too large"
 +      "fixedbugs/issue4232.go",   // types2 reports (correct) extra errors
 +      "fixedbugs/issue4452.go",   // types2 reports (correct) extra errors
 +      "fixedbugs/issue4510.go",   // types2 reports different (but ok) line numbers
++      "fixedbugs/issue47201.go",  // types2 spells the error message differently
 +      "fixedbugs/issue5609.go",   // types2 needs a better error message
 +      "fixedbugs/issue7525b.go",  // types2 reports init cycle error on different line - ok otherwise
 +      "fixedbugs/issue7525c.go",  // types2 reports init cycle error on different line - ok otherwise
 +      "fixedbugs/issue7525d.go",  // types2 reports init cycle error on different line - ok otherwise
 +      "fixedbugs/issue7525e.go",  // types2 reports init cycle error on different line - ok otherwise
 +      "fixedbugs/issue7525.go",   // types2 reports init cycle error on different line - ok otherwise
 +)
 +
 +var types2Failures32Bit = setOf(
 +      "printbig.go",             // large untyped int passed to print (32-bit)
 +      "fixedbugs/bug114.go",     // large untyped int passed to println (32-bit)
 +      "fixedbugs/issue23305.go", // large untyped int passed to println (32-bit)
 +      "fixedbugs/bug385_32.go",  // types2 doesn't produce missing error "type .* too large" (32-bit specific)
 +)
 +
 +var g3Failures = setOf(
 +      "writebarrier.go", // correct diagnostics, but different lines (probably irgen's fault)
 +
 +      "typeparam/nested.go", // -G=3 doesn't support function-local types with generics
 +
 +      "typeparam/mdempsky/4.go", // -G=3 can't export functions with labeled breaks in loops
 +)
 +
 +var unifiedFailures = setOf(
 +      "closure3.go", // unified IR numbers closures differently than -d=inlfuncswithclosures
 +      "escape4.go",  // unified IR can inline f5 and f6; test doesn't expect this
 +      "inline.go",   // unified IR reports function literal diagnostics on different lines than -d=inlfuncswithclosures
 +
 +      "fixedbugs/issue42284.go", // prints "T(0) does not escape", but test expects "a.I(a.T(0)) does not escape"
 +      "fixedbugs/issue7921.go",  // prints "… escapes to heap", but test expects "string(…) escapes to heap"
 +)
 +
 +func setOf(keys ...string) map[string]bool {
 +      m := make(map[string]bool, len(keys))
 +      for _, key := range keys {
 +              m[key] = true
 +      }
 +      return m
 +}
 +
 +// splitQuoted splits the string s around each instance of one or more consecutive
 +// white space characters while taking into account quotes and escaping, and
 +// returns an array of substrings of s or an empty list if s contains only white space.
 +// Single quotes and double quotes are recognized to prevent splitting within the
 +// quoted region, and are removed from the resulting substrings. If a quote in s
 +// isn't closed err will be set and r will have the unclosed argument as the
 +// last element. The backslash is used for escaping.
 +//
 +// For example, the following string:
 +//
 +//     a b:"c d" 'e''f'  "g\""
 +//
 +// Would be parsed as:
 +//
 +//     []string{"a", "b:c d", "ef", `g"`}
 +//
 +// [copied from src/go/build/build.go]
 +func splitQuoted(s string) (r []string, err error) {
 +      var args []string
 +      arg := make([]rune, len(s))
 +      escaped := false
 +      quoted := false
 +      quote := '\x00'
 +      i := 0
 +      for _, rune := range s {
 +              switch {
 +              case escaped:
 +                      escaped = false
 +              case rune == '\\':
 +                      escaped = true
 +                      continue
 +              case quote != '\x00':
 +                      if rune == quote {
 +                              quote = '\x00'
 +                              continue
 +                      }
 +              case rune == '"' || rune == '\'':
 +                      quoted = true
 +                      quote = rune
 +                      continue
 +              case unicode.IsSpace(rune):
 +                      if quoted || i > 0 {
 +                              quoted = false
 +                              args = append(args, string(arg[:i]))
 +                              i = 0
 +                      }
 +                      continue
 +              }
 +              arg[i] = rune
 +              i++
 +      }
 +      if quoted || i > 0 {
 +              args = append(args, string(arg[:i]))
 +      }
 +      if quote != 0 {
 +              err = errors.New("unclosed quote")
 +      } else if escaped {
 +              err = errors.New("unfinished escaping")
 +      }
 +      return args, err
  }