Remove BlockDeclRefExpr and introduce a bit on DeclRefExpr to
track whether the referenced declaration comes from an enclosing
local context.  I'm amenable to suggestions about the exact meaning
of this bit.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152491 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ASTImporter.cpp b/lib/AST/ASTImporter.cpp
index cc0213f..febfaab 100644
--- a/lib/AST/ASTImporter.cpp
+++ b/lib/AST/ASTImporter.cpp
@@ -3947,6 +3947,7 @@
                                          Importer.Import(E->getQualifierLoc()),
                                    Importer.Import(E->getTemplateKeywordLoc()),
                                          ToD,
+                                         E->refersToEnclosingLocal(),
                                          Importer.Import(E->getLocation()),
                                          T, E->getValueKind(),
                                          FoundD,