Turn on the preallocation of all BlockDeclRefExprs.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84789 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/CGBlocks.cpp

@@ -678,8 +678,6 @@ CodeGenFunction::GenerateBlockFunction(const BlockExpr *BExpr,
   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);
 
   QualType ParmTy = getContext().getBlockParmType(BlockDeclRefDecls);