Index: llvm/lib/Target/X86/X86TargetMachine.cpp
===================================================================
--- llvm/lib/Target/X86/X86TargetMachine.cpp
+++ llvm/lib/Target/X86/X86TargetMachine.cpp
@@ -324,7 +324,6 @@
 
 bool X86TargetMachine::isNoopAddrSpaceCast(unsigned SrcAS,
                                            unsigned DestAS) const {
-  assert(SrcAS != DestAS && "Expected different address spaces!");
   if (getPointerSize(SrcAS) != getPointerSize(DestAS))
     return false;
   return SrcAS < 256 && DestAS < 256;