From 01fb0c75aa95e75cd667c53aa216b41824f64a80 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Fri, 8 Nov 2002 21:27:37 +0000
Subject: [PATCH] Cannot modify original call sites vector

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4634 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/DataStructure/Steensgaard.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/Analysis/DataStructure/Steensgaard.cpp b/lib/Analysis/DataStructure/Steensgaard.cpp
index 028bf919e2f..aad8657d1da 100644
--- a/lib/Analysis/DataStructure/Steensgaard.cpp
+++ b/lib/Analysis/DataStructure/Steensgaard.cpp
@@ -156,7 +156,12 @@ bool Steens::run(Module &M) {
   // call nodes...
   //
   std::vector<DSCallSite> &Calls =
-    ResultGraph->getFunctionCalls();
+    ResultGraph->getAuxFunctionCalls();
+  assert(Calls.empty() && "Aux call list is already in use??");
+
+  // Start with a copy of the original call sites...
+  Calls = ResultGraph->getFunctionCalls();
+
   for (unsigned i = 0; i != Calls.size(); ) {
     DSCallSite &CurCall = Calls[i];