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[ASan] Fix use-after-scope in COMMON_INTERCEPTOR_ENTER implementation.

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Make sure "void *ctx" doesn't point to an object which already went out
of scope. This might also fix -Wuninitialized warnings GCC 4.7 produces
while building ASan runtime.

llvm-svn: 227258
This commit is contained in:
Alexey Samsonov 2015-01-27 22:50:19 +00:00
parent 7058dfc6cc
commit e745728fad
1 changed files with 1 additions and 1 deletions
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2
compiler-rt/lib/asan/asan_interceptors.cc
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@ -142,10 +142,10 @@ DECLARE_REAL_AND_INTERCEPTOR(void, free, void *)
#define COMMON_INTERCEPTOR_READ_RANGE(ctx, ptr, size) \
ASAN_READ_RANGE(ctx, ptr, size)
#define COMMON_INTERCEPTOR_ENTER(ctx, func, ...) \
ASAN_INTERCEPTOR_ENTER(ctx, func); \
do { \
if (asan_init_is_running) \
return REAL(func)(__VA_ARGS__); \
ASAN_INTERCEPTOR_ENTER(ctx, func); \
if (SANITIZER_MAC && UNLIKELY(!asan_inited)) \
return REAL(func)(__VA_ARGS__); \
ENSURE_ASAN_INITED(); \