Modify behavior of -ast-dump-lookups: if -ast-dump is not also provided, dump

anyway. If -ast-dump *is* also provided, then dump the AST declarations as well
as the lookup results. This is invaluable for cross-correlating the lookup
information with the declarations actually found.

llvm-svn: 215393

clang/lib/Frontend/FrontendActions.cpp

@@ -55,6 +55,7 @@ ASTPrintAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
 std::unique_ptr<ASTConsumer>
 ASTDumpAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
   return CreateASTDumper(CI.getFrontendOpts().ASTDumpFilter,
+                         CI.getFrontendOpts().ASTDumpDecls,
                          CI.getFrontendOpts().ASTDumpLookups);
 }