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test: fix nosplit test for noopt build

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Noopt builds get a larger stack guard.  This test must take that into account.

Change-Id: I1b5cbafdbbfee8c369ae1bebd0b900524ebf0d7d
Reviewed-on: https://go-review.googlesource.com/9610
Reviewed-by: Russ Cox <rsc@golang.org>
This commit is contained in:
Keith Randall 2015-05-01 09:36:18 -07:00
parent e8057df971
commit 6f42b6166a
1 changed files with 8 additions and 1 deletions
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9
test/nosplit.go
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@ -292,9 +292,16 @@ TestCases:
// The limit was originally 128 but is now 512.
// Instead of rewriting the test cases above, adjust
// the first stack frame to use up the extra 32 bytes.
// the first stack frame to use up the extra bytes.
if i == 0 {
size += 512 - 128
// Noopt builds have a larger stackguard.
// See ../cmd/dist/buildruntime.go:stackGuardMultiplier
for _, s := range strings.Split(os.Getenv("GO_GCFLAGS"), " ") {
if s == "-N" {
size += 640
}
}
}
if size%ptrSize == 4 {