[PATCH] Unnecessary reference type in SemaExpr.cpp

[Christian Wailes]

Hi delesley, aaron.ballman, dblaikie,

The getDefaultPolicy() function returns a value and not a reference.

http://llvm-reviews.chandlerc.com/D1589

Files:
  lib/Sema/SemaExpr.cpp

Index: lib/Sema/SemaExpr.cpp
===================================================================
--- lib/Sema/SemaExpr.cpp
+++ lib/Sema/SemaExpr.cpp
@@ -10236,7 +10236,7 @@
     computeNRVO(Body, getCurBlock());
   
   BlockExpr *Result = new (Context) BlockExpr(BSI->TheDecl, BlockTy);
-  const AnalysisBasedWarnings::Policy &WP = AnalysisWarnings.getDefaultPolicy();
+  const AnalysisBasedWarnings::Policy WP = AnalysisWarnings.getDefaultPolicy();
   PopFunctionScopeInfo(&WP, Result->getBlockDecl(), Result);
 
   // If the block isn't obviously global, i.e. it captures anything at
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