From: Devang Patel <dpatel@apple.com>
Date: Fri, 2 May 2008 22:13:33 +0000 (+0000)
Subject: Add assert.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=201ebe3899dc699ae081b557a6bffc53a4dda147;p=oota-llvm.git

Add assert.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50596 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Analysis/IPA/CallGraphSCCPass.cpp b/lib/Analysis/IPA/CallGraphSCCPass.cpp
index 90e26266f8b..99954d632d4 100644
--- a/lib/Analysis/IPA/CallGraphSCCPass.cpp
+++ b/lib/Analysis/IPA/CallGraphSCCPass.cpp
@@ -158,6 +158,7 @@ void CallGraphSCCPass::assignPassManager(PMStack &PMS,
          PMS.top()->getPassManagerType() > PMT_CallGraphPassManager)
     PMS.pop();
 
+  assert (!PMS.empty() && "Unable to handle Call Graph Pass");
   CGPassManager *CGP = dynamic_cast<CGPassManager *>(PMS.top());
 
   // Create new Call Graph SCC Pass Manager if it does not exist.