cmd,runtime: enable race detector on s390x
LLVM has SystemZ ThreadSanitizer support now [1], this patch integrates
it with golang. The biggest part is the glue code in race_s390x.s,
which is derived from race_arm64.s, and then the support needs to be
enabled in four places.
[1] https://reviews.llvm.org/
D105629
Change-Id: I1d4e51beb4042603b681e4aca9af6072879d54d6
Reviewed-on: https://go-review.googlesource.com/c/go/+/336549
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Keith Randall <khr@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Keith Randall <khr@golang.org>