Fixed LabelDecl source range and cleaned creation code.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127094 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Serialization/ASTWriterDecl.cpp b/lib/Serialization/ASTWriterDecl.cpp
index 26b325a..0ce3e4f 100644
--- a/lib/Serialization/ASTWriterDecl.cpp
+++ b/lib/Serialization/ASTWriterDecl.cpp
@@ -653,7 +653,7 @@
 
 void ASTDeclWriter::VisitLabelDecl(LabelDecl *D) {
   VisitNamedDecl(D);
-  Record.push_back(D->isGnuLocal());
+  Writer.AddSourceLocation(D->getLocStart(), Record);
   Code = serialization::DECL_LABEL;
 }