Fix PNaCl-local files after merging LLVM 3.4

lib/Transforms/NaCl/PromoteIntegers.cpp

Index: lib/Transforms/NaCl/PromoteIntegers.cpp
diff --git a/lib/Transforms/NaCl/PromoteIntegers.cpp b/lib/Transforms/NaCl/PromoteIntegers.cpp
index e56bd78cdc0773a05a74fb4f9078cab07b578171..5a182446eeccc3e1890767fd23afef407463f9fd 100644
--- a/lib/Transforms/NaCl/PromoteIntegers.cpp
+++ b/lib/Transforms/NaCl/PromoteIntegers.cpp
@@ -551,12 +551,6 @@ static void convertInstruction(Instruction *Inst, ConversionState &State) {
     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());
     }