For invalid pointers passed to free_common check whether they are actually skewed to hold an additional CFAllocatorRef. If so, fix the pointer and pass it to asan_free.
For invalid pointers passed to free_common check whether they are actually skewed to hold an additional CFAllocatorRef.
If so, fix the pointer and pass it to asan_free.

See http://code.google.com/p/address-sanitizer/issues/detail?id=70 for more background.


git-svn-id: c199f293c43da69278bea8e88f92242bf3aa95f7@162839 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt