Add -ast-dump-lookups switch to -cc1 to dump DeclContext lookup maps. Test to
follow.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@184678 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/FrontendActions.cpp b/lib/Frontend/FrontendActions.cpp
index 3b37e8a..522c3ee 100644
--- a/lib/Frontend/FrontendActions.cpp
+++ b/lib/Frontend/FrontendActions.cpp
@@ -54,7 +54,8 @@
 
 ASTConsumer *ASTDumpAction::CreateASTConsumer(CompilerInstance &CI,
                                               StringRef InFile) {
-  return CreateASTDumper(CI.getFrontendOpts().ASTDumpFilter);
+  return CreateASTDumper(CI.getFrontendOpts().ASTDumpFilter,
+                         CI.getFrontendOpts().ASTDumpLookups);
 }
 
 ASTConsumer *ASTDeclListAction::CreateASTConsumer(CompilerInstance &CI,