[asan] Add fast_unwind_on_check flag.
authorEvgeniy Stepanov <eugeni.stepanov@gmail.com>
Tue, 14 Oct 2014 09:36:24 +0000 (09:36 +0000)
committerEvgeniy Stepanov <eugeni.stepanov@gmail.com>
Tue, 14 Oct 2014 09:36:24 +0000 (09:36 +0000)
commitf518a4e774dcc35b860226078ec1fd42930d278a
tree8a5bf2bff171d4edf83b52f5653861168c518403
parent54ca964ef2dd8d80ee03cb6f8229658918184940
[asan] Add fast_unwind_on_check flag.

Allows to specify the unwinder to use for CHECK failures. Previous behaviour
was to use the "fatal" unwinder.
As compiler-rt is built without frame pointers, only the slow unwinder
really makes sense here, and it is the default.

llvm-svn: 219677
compiler-rt/lib/asan/asan_rtl.cc
compiler-rt/lib/asan/asan_stack.h
compiler-rt/lib/sanitizer_common/sanitizer_flags.cc
compiler-rt/lib/sanitizer_common/sanitizer_flags.h