commit 356f5a13f5fcd7173a39f2332aecb61c9a92c517
author Chris Lattner <sabre@nondot.org> Sun Aug 01 09:51:42 2004 +0000
committer Chris Lattner <sabre@nondot.org> Sun Aug 01 09:51:42 2004 +0000
tree e47aa2f2e77be69cbf9ff61d905b6f3e00e2abdf
parent 1cabced74b73cf5995f4909ca67e7633c8c707e4

Dereferencing end() is bad.

llvm-svn: 15402

llvm/lib/CodeGen/BranchFolding.cpp

diff --git a/llvm/lib/CodeGen/BranchFolding.cpp b/llvm/lib/CodeGen/BranchFolding.cpp
index 0a6bd39..af2b725 100644
--- a/llvm/lib/CodeGen/BranchFolding.cpp
+++ b/llvm/lib/CodeGen/BranchFolding.cpp
@@ -96,7 +96,7 @@
 
   // If BB falls through into Old, insert an unconditional branch to New.
   MachineFunction::iterator BBSucc = BB; ++BBSucc;
-  if (&*BBSucc == Old)
+  if (BBSucc != BB->getParent()->end() && &*BBSucc == Old)
     TII.insertGoto(*BB, *New);
 
   std::vector<MachineBasicBlock*> Succs(BB->succ_begin(), BB->succ_end());