[PATCH] Implement variable-sized alloca instrumentation (take 2).

[Yury Gribov]

REPOSITORY
  rL LLVM

================
Comment at: lib/Transforms/Instrumentation/AddressSanitizer.cpp:1951
@@ -1921,4 +1950,3 @@
   // OldSize * ElementSize.
-  unsigned ElementSize = ASan.DL->getTypeAllocSize(AI->getAllocatedType());
-  Value *OldSize = IRB.CreateMul(AI->getArraySize(),
-                                 ConstantInt::get(IntptrTy, ElementSize));
+  int ElementSize = ASan.DL->getTypeAllocSize(AI->getAllocatedType());
+  Value *OldSize =
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Why not unsigned btw?

http://reviews.llvm.org/D7098

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