From 9ac08d6a67a66c4f5deea23f152629756defcaf1 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Fri, 27 Feb 2009 18:05:21 +0000
Subject: [PATCH] It is possible that subprgoram definition is only encoding
 return value directly, instsad of an DIArray of all argument types.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65643 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/AsmPrinter/DwarfWriter.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/CodeGen/AsmPrinter/DwarfWriter.cpp b/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
index cab631524fc..5c4957aba11 100644
--- a/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
@@ -1888,8 +1888,12 @@ private:
     DIArray Args = SPTy.getTypeArray();
     
     // Add Return Type.
-    if (!IsConstructor) 
-      AddType(DW_Unit, SPDie, DIType(Args.getElement(0).getGV()));
+    if (!IsConstructor) {
+      if (Args.isNull()) 
+        AddType(DW_Unit, SPDie, SPTy);
+      else
+        AddType(DW_Unit, SPDie, DIType(Args.getElement(0).getGV()));
+    }
 
     if (!SP.isDefinition()) {
       AddUInt(SPDie, DW_AT_declaration, DW_FORM_flag, 1);