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re PR bootstrap/63888 (bootstrap failed when configured with -with-build-config=bootstrap-asan --disable-werror)

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libsanitizer/

	PR bootstrap/63888
	Reapply:
	2015-02-20  Jakub Jelinek  <jakub@redhat.com>

	* asan/asan_globals.cc (RegisterGlobal): Disable detect_odr_violation
	support until it is rewritten upstream.

	* c-c++-common/asan/pr63888.c: New test.

From-SVN: r229114
This commit is contained in:
Max Ostapenko 2015-10-21 10:47:54 +03:00 committed by Maxim Ostapenko
parent 0d57d3e06b
commit 15ebe1fe46
2 changed files with 14 additions and 1 deletions
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11
libsanitizer/ChangeLog
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@ -1,3 +1,14 @@
2015-10-21 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
PR bootstrap/63888
Reapply:
2015-02-20 Jakub Jelinek <jakub@redhat.com>
* asan/asan_globals.cc (RegisterGlobal): Disable detect_odr_violation
support until it is rewritten upstream.
* c-c++-common/asan/pr63888.c: New test.
2015-10-21 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
PR sanitizer/63958

4
libsanitizer/asan/asan_globals.cc
View File

@ -144,7 +144,9 @@ static void RegisterGlobal(const Global *g) {
CHECK(AddrIsInMem(g->beg));
CHECK(AddrIsAlignedByGranularity(g->beg));
CHECK(AddrIsAlignedByGranularity(g->size_with_redzone));
if (flags()->detect_odr_violation) {
// This "ODR violation" detection is fundamentally incompatible with
// how GCC registers globals. Disable as useless until rewritten upstream.
if (0 && flags()->detect_odr_violation) {
// Try detecting ODR (One Definition Rule) violation, i.e. the situation
// where two globals with the same name are defined in different modules.
if (__asan_region_is_poisoned(g->beg, g->size_with_redzone)) {