Do some blocks cleanup and simplification. Fix a crash, and add a test case.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65746 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index 6e43572382..bf9c4e5ba5 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -275,6 +275,14 @@ public:
     /// Name - the name of the function this block was created for, if any
     const char *Name;
 
+    /// ByCopyDeclRefs - Variables from parent scopes that have been imported
+    /// into this block.
+    llvm::SmallVector<const BlockDeclRefExpr *, 8> ByCopyDeclRefs;
+    
+    // ByRefDeclRefs - __block variables from parent scopes that have been 
+    // imported into this block.
+    llvm::SmallVector<const BlockDeclRefExpr *, 8> ByRefDeclRefs;
+    
     BlockInfo(const llvm::Type *blt, const char *n)
       : BlockLiteralTy(blt), Name(n) {}
   };