Fix for -ast-dump-filter

Summary:
-ast-dump-filter implementation used to stop AST traversal after traversing a NULL Decl node.

Added test and fixed.

Reviewers: djasper, klimek, rsmith

Reviewed By: djasper

CC: cfe-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D93

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167155 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 3 deletions

diff --git a/lib/Frontend/ASTConsumers.cpp b/lib/Frontend/ASTConsumers.cpp
index 4a8f88f328..882d400c42 100644
--- a/lib/Frontend/ASTConsumers.cpp
+++ b/lib/Frontend/ASTConsumers.cpp
@@ -58,9 +58,7 @@ namespace {
     bool shouldWalkTypesOfTypeLocs() const { return false; }
 
     bool TraverseDecl(Decl *D) {
-      if (D == NULL)
-        return false;
-      if (filterMatches(D)) {
+      if (D != NULL && filterMatches(D)) {
         Out.changeColor(llvm::raw_ostream::BLUE) <<
             (Dump ? "Dumping " : "Printing ") << getName(D) << ":\n";
         Out.resetColor();