Restructure code to silence bogus GCC warning.

llvm-svn: 67775
diff --git a/clang/lib/Analysis/PathDiagnostic.cpp b/clang/lib/Analysis/PathDiagnostic.cpp
index 940a9e2..d719aa8 100644
--- a/clang/lib/Analysis/PathDiagnostic.cpp
+++ b/clang/lib/Analysis/PathDiagnostic.cpp
@@ -143,8 +143,10 @@
   switch (K) {
     case SingleLoc:
     case Range:
-      return FullSourceLoc(R.getBegin(), const_cast<SourceManager&>(SM));
+      break;
     case Statement:
       return FullSourceLoc(S->getLocStart(), const_cast<SourceManager&>(SM));
   }
+  
+  return FullSourceLoc(R.getBegin(), const_cast<SourceManager&>(SM));
 }