Fixed source range for FileScopeAsmDecl. Others source range fixes will follow.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126939 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Serialization/ASTWriterDecl.cpp b/lib/Serialization/ASTWriterDecl.cpp
index 12d1226..8fef6fb 100644
--- a/lib/Serialization/ASTWriterDecl.cpp
+++ b/lib/Serialization/ASTWriterDecl.cpp
@@ -613,6 +613,7 @@
 void ASTDeclWriter::VisitFileScopeAsmDecl(FileScopeAsmDecl *D) {
   VisitDecl(D);
   Writer.AddStmt(D->getAsmString());
+  Writer.AddSourceLocation(D->getRParenLoc(), Record);
   Code = serialization::DECL_FILE_SCOPE_ASM;
 }