Index: llvm/trunk/lib/Target/PowerPC/PPCEarlyReturn.cpp
===================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCEarlyReturn.cpp
+++ llvm/trunk/lib/Target/PowerPC/PPCEarlyReturn.cpp
@@ -179,11 +179,11 @@
       // nothing to do.
       if (MF.size() < 2)
         return Changed;
-
-      for (MachineFunction::iterator I = MF.begin(); I != MF.end();) {
+      
+      // We can't use a range-based for loop due to clobbering the iterator.
+      for (MachineFunction::iterator I = MF.begin(), E = MF.end(); I != E;) {
         MachineBasicBlock &B = *I++;
-        if (processBlock(B))
-          Changed = true;
+        Changed |= processBlock(B);
       }
 
       return Changed;