[PATCH] [asan] Change dynamic alloca instrumentation to only consider allocas that are dominating all exits from function.

[Evgeniy Stepanov]

LGTM

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Comment at: lib/Transforms/Instrumentation/AddressSanitizer.cpp:660
@@ +659,3 @@
+    false, false)
+INITIALIZE_PASS_DEPENDENCY(DominatorTreeWrapperPass)
+INITIALIZE_PASS_END(AddressSanitizer, "asan",
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On an unrelated note, we should probably do the same for DataLayoutPass dependency.

http://reviews.llvm.org/D6412