libsanitizer merge from upstream r250806, compiler part.
commit7966ce00a6819a60cd991eb719f2cdc4681e3a3e
authorchefmax <chefmax@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 21 Oct 2015 07:40:54 +0000 (21 07:40 +0000)
committerchefmax <chefmax@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 21 Oct 2015 07:40:54 +0000 (21 07:40 +0000)
treeb7543b32302329374f126d54ffc91193bf4f4f25
parent5645a48f7ebd0f97a072b7a2eb40b27cea9d4318
libsanitizer merge from upstream r250806, compiler part.

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
config/ChangeLog
config/bootstrap-asan.mk
gcc/ChangeLog
gcc/asan.c
gcc/sanitizer.def
gcc/testsuite/ChangeLog
gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-10.c
gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-8.c
gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-9.c
gcc/testsuite/g++.dg/asan/default-options-1.C
gcc/ubsan.c