From: Manman Ren <manman.ren@gmail.com>
Date: Fri, 1 Aug 2014 01:47:13 +0000 (+0000)
Subject: Add comments to debug info testing case.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ec4c24057e5ff9ebbb17615d969fc4b43f7deb48;p=clang

Add comments to debug info testing case.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@214472 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/CodeGenCXX/debug-info-varargs.cpp b/test/CodeGenCXX/debug-info-varargs.cpp
index 63186501bf..491b97d82f 100644
--- a/test/CodeGenCXX/debug-info-varargs.cpp
+++ b/test/CodeGenCXX/debug-info-varargs.cpp
@@ -5,6 +5,7 @@ struct A
   // CHECK-DAG: ", i32 [[@LINE+1]], metadata ![[ATY:[0-9]+]]{{.*}}[ DW_TAG_subprogram ]{{.*}}[a]
   void a(int c, ...) {}
   // CHECK: ![[ATY]] ={{.*}} metadata ![[AARGS:[0-9]+]], i32 0, null, null, null} ; [ DW_TAG_subroutine_type ]
+  // We no longer use an explicit unspecified parameter. Instead we use a trailing null to mean the function is variadic.
   // CHECK: ![[AARGS]] = metadata !{null, metadata !{{[0-9]+}}, metadata !{{[0-9]+}}, null}
 };