[PATCH] MS ABI: Avoid hashing back reference keys in mangler

[David Majnemer]

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Comment at: lib/AST/MicrosoftMangle.cpp:193-194
@@ -193,4 +192,4 @@
 
-  typedef llvm::StringMap<unsigned> BackRefMap;
+  typedef llvm::SmallVector<std::string, 10> BackRefMap;
   BackRefMap NameBackReferences;
 
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It's not really a map anymore, perhaps `BackRefVec` ?

http://reviews.llvm.org/D5430