Fix PNaCl-local files after merging LLVM 3.4

lib/Transforms/NaCl/PromoteIntegers.cpp

 //===- PromoteIntegers.cpp - Promote illegal integers for PNaCl ABI -------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 // A limited set of transformations to promote illegal-sized int types.
 //
 //===----------------------------------------------------------------------===//
@@ skipping 533 matching lines @@
     Value *Condition = getClearConverted(Switch->getCondition(), Switch, State);
     SwitchInst *NewInst = SwitchInst::Create(
         Condition,
         Switch->getDefaultDest(),
         Switch->getNumCases(),
         Switch);
     CopyDebug(NewInst, Switch);
     for (SwitchInst::CaseIt I = Switch->case_begin(),
              E = Switch->case_end();
          I != E; ++I) {
-      // This sanity check should never trigger because no-one
-      // generates case ranges.  It will go away when we merge
-      // upstream's r190328, which removes all case range support.
-      if (!I.getCaseValueEx().isSingleNumber())
-        report_fatal_error("Case ranges are not supported in PNaCl");
-
       NewInst->addCase(cast<ConstantInt>(convertConstant(I.getCaseValue())),
                        I.getCaseSuccessor());
     }
     Switch->eraseFromParent();
   } else {
     errs() << *Inst<<"\n";
     llvm_unreachable("unhandled instruction");
   }
 }
 
@@ skipping 26 matching lines @@
       }
     }
   }
   State.eraseReplacedInstructions();
   return Modified;
 }
 
 FunctionPass *llvm::createPromoteIntegersPass() {
   return new PromoteIntegers();
 }