Added LLVM_FALLTHROUGH to address gcc warning: this statement may fall through.

llvm-svn: 303597

1 files changed, 4 insertions, 0 deletions

diff --git a/llvm/lib/Support/YAMLParser.cpp b/llvm/lib/Support/YAMLParser.cpp
index c17a6f6e1ea..f1496393e55 100644
--- a/llvm/lib/Support/YAMLParser.cpp
+++ b/llvm/lib/Support/YAMLParser.cpp
@@ -2116,6 +2116,7 @@ void MappingNode::increment() {
       break;
     default:
       setError("Unexpected token. Expected Key or Block End", T);
+      LLVM_FALLTHROUGH;
     case Token::TK_Error:
       IsAtEnd = true;
       CurrentEntry = nullptr;
@@ -2128,6 +2129,7 @@ void MappingNode::increment() {
       return increment();
     case Token::TK_FlowMappingEnd:
       getNext();
+      LLVM_FALLTHROUGH;
     case Token::TK_Error:
       // Set this to end iterator.
       IsAtEnd = true;
@@ -2170,6 +2172,7 @@ void SequenceNode::increment() {
     default:
       setError( "Unexpected token. Expected Block Entry or Block End."
               , T);
+      LLVM_FALLTHROUGH;
     case Token::TK_Error:
       IsAtEnd = true;
       CurrentEntry = nullptr;
@@ -2198,6 +2201,7 @@ void SequenceNode::increment() {
       return increment();
     case Token::TK_FlowSequenceEnd:
       getNext();
+      LLVM_FALLTHROUGH;
     case Token::TK_Error:
       // Set this to end iterator.
       IsAtEnd = true;