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cmd/compile: conditional on -race, disable inline of go:norace

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Adds the appropriate check to inl.go.
Includes tests of both -race+go:norace and plain go:norace.

Fixes #24651.

Change-Id: Id806342430c20baf4679a985d12eea3b677092e0
Reviewed-on: https://go-review.googlesource.com/119195
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
David Chase 2018-06-15 15:20:57 -04:00
parent 707ca18d97
commit c6e455bb11
3 changed files with 54 additions and 0 deletions
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6
src/cmd/compile/internal/gc/inl.go
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@ -132,6 +132,12 @@ func caninl(fn *Node) {
return
}
// If marked "go:norace" and -race compilation, don't inline.
if flag_race && fn.Func.Pragma&Norace != 0 {
reason = "marked go:norace with -race compilation"
return
}
// If marked "go:cgo_unsafe_args", don't inline, since the
// function makes assumptions about its argument frame layout.
if fn.Func.Pragma&CgoUnsafeArgs != 0 {