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misc/cgo/testsanitizer: don't run msan tests if msan doesn't work

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Confirm that a trivial executable can build and execute using
-fsanitize=memory.

Fixes #18335 (by skipping the tests when they don't work).

Change-Id: Icb7a276ba7b57ea3ce31be36f74352cc68dc89d5
Reviewed-on: https://go-review.googlesource.com/34505
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Ian Lance Taylor 2016-12-15 16:57:59 -08:00
parent 29cb72154d
commit 115e9cac80
1 changed files with 8 additions and 2 deletions
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10
misc/cgo/testsanitizers/test.bash
View file

@ -24,8 +24,14 @@ msan=yes
TMPDIR=${TMPDIR:-/tmp}
echo 'int main() { return 0; }' > ${TMPDIR}/testsanitizers$$.c
if $CC -fsanitize=memory -c ${TMPDIR}/testsanitizers$$.c -o ${TMPDIR}/testsanitizers$$.o 2>&1 | grep "unrecognized" >& /dev/null; then
echo "skipping msan tests: -fsanitize=memory not supported"
if $CC -fsanitize=memory -o ${TMPDIR}/testsanitizers$$ ${TMPDIR}/testsanitizers$$.c 2>&1 | grep "unrecognized" >& /dev/null; then
echo "skipping msan tests: $CC -fsanitize=memory not supported"
msan=no
elif ! test -x ${TMPDIR}/testsanitizers$$; then
echo "skipping msan tests: $CC -fsanitize-memory did not generate an executable"
msan=no
elif ! ${TMPDIR}/testsanitizers$$ >/dev/null 2>&1; then
echo "skipping msan tests: $CC -fsanitize-memory generates broken executable"
msan=no
fi
rm -f ${TMPDIR}/testsanitizers$$.*