From 6f676be5ffdf80543e6e6b4d3c9c6b8b8e838fa5 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Thu, 3 Mar 2011 20:08:10 +0000
Subject: [PATCH] Fix thinko in previous check-in. Add comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126959 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 2feb1256ccf..6af81bb67ff 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2333,7 +2333,9 @@ bool DwarfDebug::addCurrentFnArgument(const MachineFunction *MF,
   size_t Size = CurrentFnArguments.size();
   if (Size == 0)
     CurrentFnArguments.resize(MF->getFunction()->arg_size());
-  else if (ArgNo > Size)
+  // llvm::Function arugment size is not good indicator of how many
+  // arguments does the function have at source level.
+  if (ArgNo > Size)
     CurrentFnArguments.resize(ArgNo * 2);
   CurrentFnArguments[ArgNo - 1] = Var;
   return true;