Allow loading holes from holey smi arrays

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index 3f1bab73eefc75fdd9867240b01493b038153136..4ff65fbb9eeeb85c907a5eb768faee380773c8b2 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -3186,7 +3186,8 @@ void LCodeGen::DoLoadKeyedFixedArray(LLoadKeyed* instr) {
       DeoptimizeIf(equal, instr, Deoptimizer::kHole);
     }
   } else if (instr->hydrogen()->hole_mode() == CONVERT_HOLE_TO_UNDEFINED) {
-    DCHECK(instr->hydrogen()->elements_kind() == FAST_HOLEY_ELEMENTS);
+    DCHECK(instr->hydrogen()->elements_kind() == FAST_HOLEY_SMI_ELEMENTS ||
+           instr->hydrogen()->elements_kind() == FAST_HOLEY_ELEMENTS);
     Label done;
     __ cmp(result, factory()->the_hole_value());
     __ j(not_equal, &done);