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misc/cgo/testsanitizers: don't run some TSAN tests on GCC < 7 

Before GCC 7 defined __SANITIZE_THREAD__ when using TSAN,
runtime/cgo/libcgo.h could not determine reliably whether TSAN was in
use when using GCC.

Fixes #15983.

Change-Id: I5581c9f88e1cde1974c280008b2230fe5e971f44
Reviewed-on: https://go-review.googlesource.com/23833
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Michael Hudson-Doyle <michael.hudson@canonical.com>
This commit is contained in:
Ian Lance Taylor 2016-06-06 21:44:24 -07:00
parent f605c77bbc
commit d1b5d08f34
1 changed files with 21 additions and 4 deletions
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25
misc/cgo/testsanitizers/test.bash
View File

@ -135,11 +135,28 @@ if test "$tsan" = "yes"; then
testtsan tsan3.go
testtsan tsan4.go
# This test requires rebuilding os/user with -fsanitize=thread.
testtsan tsan5.go "CGO_CFLAGS=-fsanitize=thread CGO_LDFLAGS=-fsanitize=thread" "-installsuffix=tsan"
# These tests are only reliable using clang or GCC version 7 or later.
# Otherwise runtime/cgo/libcgo.h can't tell whether TSAN is in use.
ok=false
if ${CC} --version | grep clang >/dev/null 2>&1; then
ok=true
else
ver=$($CC -dumpversion)
major=$(echo $ver | sed -e 's/\([0-9]*\).*/\1/')
if test "$major" -lt 7; then
echo "skipping remaining TSAN tests: GCC version $major (older than 7)"
else
ok=true
fi
fi
# This test requires rebuilding runtime/cgo with -fsanitize=thread.
testtsan tsan6.go "CGO_CFLAGS=-fsanitize=thread CGO_LDFLAGS=-fsanitize=thread" "-installsuffix=tsan"
if test "$ok" = "true"; then
# This test requires rebuilding os/user with -fsanitize=thread.
testtsan tsan5.go "CGO_CFLAGS=-fsanitize=thread CGO_LDFLAGS=-fsanitize=thread" "-installsuffix=tsan"
# This test requires rebuilding runtime/cgo with -fsanitize=thread.
testtsan tsan6.go "CGO_CFLAGS=-fsanitize=thread CGO_LDFLAGS=-fsanitize=thread" "-installsuffix=tsan"
fi
fi
exit $status