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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303585 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Support/GraphWriter.cpp b/lib/Support/GraphWriter.cpp
index d0e1d50e8ccbc1388d421f1120c68af8cbda4f4e..f70b77da8de47ba7205ad490342bb812b14947ed 100644 (file)
--- a/lib/Support/GraphWriter.cpp
+++ b/lib/Support/GraphWriter.cpp
@@ -43,6 +43,7 @@ std::string llvm::DOT::EscapeString(const std::string &Label) {
             Str.erase(Str.begin()+i); continue;
           default: break;
         }
+        LLVM_FALLTHROUGH;
     case '{': case '}':
     case '<': case '>':
     case '|': case '"':