Turn on the preallocation of all BlockDeclRefExprs.

llvm-svn: 84789
diff --git a/clang/lib/CodeGen/CGBlocks.cpp b/clang/lib/CodeGen/CGBlocks.cpp
index 08c4587..26b19e5 100644
--- a/clang/lib/CodeGen/CGBlocks.cpp
+++ b/clang/lib/CodeGen/CGBlocks.cpp
@@ -678,9 +678,7 @@
   IdentifierInfo *II = &CGM.getContext().Idents.get(".block_descriptor");
 
   // Allocate all BlockDeclRefDecls, so we can calculate the right ParmTy below.
-  // FIXME: Resolve testsuite problems, then enable.
-  if (0)
-    AllocateAllBlockDeclRefs(Info, this);
+  AllocateAllBlockDeclRefs(Info, this);
 
   QualType ParmTy = getContext().getBlockParmType(BlockDeclRefDecls);
   // FIXME: This leaks