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libsanitizer merge from upstream r250806, compiler part.

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gcc/

	* asan.c (asan_emit_stack_protection): Don't pass local stack to
	asan_stack_malloc_[n] anymore. Check if asan_stack_malloc_[n] returned
	NULL and use local stack than.
	(asan_finish_file): Insert __asan_version_mismatch_check_v[n] call
	in addition to __asan_init.
	* sanitizer.def (BUILT_IN_ASAN_INIT): Rename to __asan_init.
	(BUILT_IN_ASAN_VERSION_MISMATCH_CHECK): Add new builtin call.
	* asan.h (asan_intercepted_p): Handle new string builtins.
	* ubsan.c (ubsan_use_new_style_p): New function.
	(ubsan_instrument_float_cast): If location is unknown, assign
	input_location to loc. Propagate loc to ubsan_create_data if
	ubsan_use_new_style_p returned true.

config/

	* bootstrap-asan.mk: Replace ASAN_OPTIONS=detect_leaks with
	LSAN_OPTIONS=detect_leaks.

gcc/testsuite/

	* c-c++-common/ubsan/float-cast-overflow-10.c: Adjust test.
	* c-c++-common/ubsan/float-cast-overflow-8.c: Likewise.
	* c-c++-common/ubsan/float-cast-overflow-9.c: Likewise.
	* g++.dg/asan/default-options-1.C: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229112 138bc75d-0d04-0410-961f-82ee72b054a4
This commit is contained in:
Maxim Ostapenko 2015-11-28 16:39:32 +00:00 committed by Pedro Alves
parent 87746c154a
commit 3b16c5514a
2 changed files with 6 additions and 1 deletions
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5
config/ChangeLog
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@ -1,3 +1,8 @@
2015-10-21 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
* bootstrap-asan.mk: Replace ASAN_OPTIONS=detect_leaks with
LSAN_OPTIONS=detect_leaks.
2015-08-24 Yaakov Selkowitz <yselkowi@redhat.com>
* iconv.m4 (AM_ICONV_LINK): Use in-tree libiconv when present.

2
config/bootstrap-asan.mk
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@ -1,7 +1,7 @@
# This option enables -fsanitize=address for stage2 and stage3.
# Suppress LeakSanitizer in bootstrap.
export ASAN_OPTIONS="detect_leaks=0"
export LSAN_OPTIONS="detect_leaks=0"
STAGE2_CFLAGS += -fsanitize=address
STAGE3_CFLAGS += -fsanitize=address