- Add BlockDecl AST node.
- Modify BlockExpr to reference the BlockDecl.

This is "cleanup" necessary to improve our lookup semantics for blocks (to fix <rdar://problem/6272905> clang block rewriter: parameter to function not imported into block?).

Still some follow-up work to finish this (forthcoming).



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57298 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/DeclBase.cpp b/lib/AST/DeclBase.cpp
index db179fe..b42950f 100644
--- a/lib/AST/DeclBase.cpp
+++ b/lib/AST/DeclBase.cpp
@@ -49,6 +49,7 @@
 static unsigned nObjCPropertyImplDecl = 0;
 static unsigned nLinkageSpecDecl = 0;
 static unsigned nFileScopeAsmDecl = 0;
+static unsigned nBlockDecls = 0;
 
 static bool StatSwitch = false;
 
@@ -77,6 +78,7 @@
   case Union:               return "Union";
   case Class:               return "Class";
   case Enum:                return "Enum";
+  case Block:               return "Block";
   }
 }
 
@@ -221,6 +223,7 @@
   case ObjCPropertyImpl:    nObjCPropertyImplDecl++; break;
   case LinkageSpec:         nLinkageSpecDecl++; break;
   case FileScopeAsm:        nFileScopeAsmDecl++; break;
+  case Block:               nBlockDecls++; break;
   case ImplicitParam:
   case TranslationUnit:     break;