AddressSanitizer, first commit (compiler module only)

llvm-svn: 144758
diff --git a/llvm/lib/Transforms/Instrumentation/Instrumentation.cpp b/llvm/lib/Transforms/Instrumentation/Instrumentation.cpp
index 71adc1e..6d6e0ae 100644
--- a/llvm/lib/Transforms/Instrumentation/Instrumentation.cpp
+++ b/llvm/lib/Transforms/Instrumentation/Instrumentation.cpp
@@ -24,6 +24,7 @@
   initializeOptimalEdgeProfilerPass(Registry);
   initializePathProfilerPass(Registry);
   initializeGCOVProfilerPass(Registry);
+  initializeAddressSanitizerPass(Registry);
 }
 
 /// LLVMInitializeInstrumentation - C binding for