[PATCH] [asan] disable fast unwind on ARM

[Greg Fitzgerald]

Hi samsonov,

Fast unwind is disabled for aarch64.  Following suit.  This patch fixes the following lit tests:

Linux/malloc_delete_mismatch.cc
Posix/start-deactivated.cc
deep_stack_uaf.cc
double-free.cc
invalid-free.cc
large_func_test.cc

http://reviews.llvm.org/D3814

Files:
  lib/sanitizer_common/sanitizer_stacktrace.h

Index: lib/sanitizer_common/sanitizer_stacktrace.h
===================================================================
--- lib/sanitizer_common/sanitizer_stacktrace.h
+++ lib/sanitizer_common/sanitizer_stacktrace.h
@@ -21,7 +21,7 @@
 
 #if SANITIZER_LINUX && (defined(__aarch64__) || defined(__powerpc__) || \
                         defined(__powerpc64__) || defined(__sparc__) || \
-                        defined(__mips__))
+                        defined(__mips__) || defined(__arm__))
 # define SANITIZER_CAN_FAST_UNWIND 0
 #elif SANITIZER_WINDOWS
 # define SANITIZER_CAN_FAST_UNWIND 0
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