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cmd/link: recognize clang linker error in testCGOLTO

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Also recognize a case in which GCC does not run (from
https://build.golang.org/log/7f6d8b35c905b9829f05906beccca44f208aa569).

Fixes #46517

Change-Id: I4fe4164a5df92b2dec08fd767f65a4d5479f3f36
Reviewed-on: https://go-review.googlesource.com/c/go/+/324169
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
This commit is contained in:
Ian Lance Taylor 2021-06-02 07:43:57 -07:00
parent 1c6a2ea2ea
commit ff9f5fb859
1 changed files with 3 additions and 0 deletions
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3
src/cmd/link/cgo_test.go
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@ -121,11 +121,14 @@ func testCGOLTO(t *testing.T, cc string, test int) {
t.Logf("go build failed: %v", err) t.Logf("go build failed: %v", err)
// Error messages we've seen indicating that LTO is not supported. // Error messages we've seen indicating that LTO is not supported.
// These errors come from GCC or clang, not Go.
var noLTO = []string{ var noLTO = []string{
`unrecognized command line option "-flto"`, `unrecognized command line option "-flto"`,
"unable to pass LLVM bit-code files to linker", "unable to pass LLVM bit-code files to linker",
"file not recognized: File format not recognized", "file not recognized: File format not recognized",
"LTO support has not been enabled", "LTO support has not been enabled",
"linker command failed with exit code",
"gcc: can't load library",
} }
for _, msg := range noLTO { for _, msg := range noLTO {
if bytes.Contains(out, []byte(msg)) { if bytes.Contains(out, []byte(msg)) {