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test-lib: have SANITIZE=leak imply TEST_NO_MALLOC_CHECK

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Since 131b94a10a (test-lib.sh: Use GLIBC_TUNABLES instead of
MALLOC_CHECK_ on glibc >= 2.34, 2022-03-04) compiling with
SANITIZE=leak has missed reporting some leaks. The old MALLOC_CHECK
method used before glibc 2.34 seems to have been (mostly?) compatible
with it, but after 131b94a10a e.g. running:

	TEST_NO_MALLOC_CHECK=1 make SANITIZE=leak test T=t6437-submodule-merge.sh

Would report a leak in builtin/commit.c, but this would not:

	TEST_NO_MALLOC_CHECK= make SANITIZE=leak test T=t6437-submodule-merge.sh

Since the interaction is clearly breaking the SANITIZE=leak mode,
let's mark them as explicitly incompatible.

A related regression for SANITIZE=address was fixed in
067109a5e7 (tests: make SANITIZE=address imply TEST_NO_MALLOC_CHECK,
2022-04-09).

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason 2022-09-28 12:01:54 +02:00 committed by Junio C Hamano
parent a0feb8611d
commit 5e7c8b75e7
1 changed files with 3 additions and 1 deletions
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4
t/test-lib.sh
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@ -545,9 +545,11 @@ case $GIT_TEST_FSYNC in
esac
# Add libc MALLOC and MALLOC_PERTURB test only if we are not executing
# the test with valgrind and have not compiled with SANITIZE=address.
# the test with valgrind and have not compiled with conflict SANITIZE
# options.
if test -n "$valgrind" ||
test -n "$SANITIZE_ADDRESS" ||
test -n "$SANITIZE_LEAK" ||
test -n "$TEST_NO_MALLOC_CHECK"
then
setup_malloc_check () {