test: skip rangegen.go on 32-bit platforms

Add a skip for this test that effectively disables it for 32-bit platforms,
so as to not run into timeouts or OOMs on smaller machines.

Fixes #64789.

Change-Id: I2d428e1dccae62b8bb1a69c5f95699692a282bbb
Reviewed-on: https://go-review.googlesource.com/c/go/+/550975
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>

diff --git a/test/rangegen.go b/test/rangegen.go
index bdcf099862db867e25a1a22a9e1c5ca911a45c61..8231c64db758474fa3d30a9a6fcf472267b0adfb 100644 (file)
--- a/test/rangegen.go
+++ b/test/rangegen.go
@@ -25,6 +25,7 @@ import (
        "bytes"
        "fmt"
        "log"
+       "math/bits"
        "os"
        "os/exec"
        "strings"
@@ -37,6 +38,13 @@ func main() {
        log.SetFlags(0)
        log.SetPrefix("rangegen: ")
 
+       if !long && bits.UintSize == 32 {
+               // Skip this test on 32-bit platforms, where it seems to
+               // cause timeouts and build problems.
+               skip()
+               return
+       }
+
        b := new(bytes.Buffer)
        tests := ""
        flush := func(force bool) {
@@ -331,3 +339,12 @@ func run(f func(*output, int)int, i int) *output {
 }
 
 `
+
+func skip() {
+       const code = `
+package main
+func main() {
+}
+`
+       fmt.Printf("%s\n", code)
+}