From a2ce2e3dd97e30f08933f3839c603d13a0fa9806 Mon Sep 17 00:00:00 2001
From: Daniel Berlin <dberlin@dberlin.org>
Date: Mon, 7 Apr 2008 14:20:50 +0000
Subject: [PATCH] Fix PR 2169.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49339 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/IPA/Andersens.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/Analysis/IPA/Andersens.cpp b/lib/Analysis/IPA/Andersens.cpp
index 9af904f4926..ab80bab95c7 100644
--- a/lib/Analysis/IPA/Andersens.cpp
+++ b/lib/Analysis/IPA/Andersens.cpp
@@ -957,6 +957,9 @@ bool Andersens::AddConstraintsForExternalCall(CallSite CS, Function *F) {
                                      FirstArg, TempArg));
     Constraints.push_back(Constraint(Constraint::Load,
                                      TempArg, SecondArg));
+    // In addition, Dest = Src
+    Constraints.push_back(Constraint(Constraint::Copy,
+                                     FirstArg, SecondArg));
     return true;
   }