[PATCH] [ELF] Support --defsym=<symbol>=<symbol>.

[Simon Atanasyan]

================
Comment at: include/lld/ReaderWriter/ELFLinkingContext.h:235
@@ -230,1 +234,3 @@
 
+  const std::map<std::string, std::string> getAliases() const {
+    return _aliasSymbols;
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I think it is a typo here. The map should be returned be reference not value.


http://reviews.llvm.org/D3332

BRANCH
  alias

ARCANIST PROJECT
  lld