Update the gap resolver to support Smi constants.

src/ia32/lithium-gap-resolver-ia32.cc

Index: src/ia32/lithium-gap-resolver-ia32.cc
diff --git a/src/ia32/lithium-gap-resolver-ia32.cc b/src/ia32/lithium-gap-resolver-ia32.cc
index 6c7e375ad69ba2498bc7e011b93b3a416da46d55..3da8f320d0b897e4fe66efe6fed9f8d45839384c 100644
--- a/src/ia32/lithium-gap-resolver-ia32.cc
+++ b/src/ia32/lithium-gap-resolver-ia32.cc
@@ -306,7 +306,9 @@ void LGapResolver::EmitMove(int index) {
     LConstantOperand* constant_source = LConstantOperand::cast(source);
     if (destination->IsRegister()) {
       Register dst = cgen_->ToRegister(destination);
-      if (cgen_->IsInteger32(constant_source)) {
+      if (cgen_->IsSmi(constant_source)) {
+        __ Set(dst, cgen_->ToSmiImmediate(constant_source));
+      } else if (cgen_->IsInteger32(constant_source)) {
         __ Set(dst, cgen_->ToInteger32Immediate(constant_source));
       } else {
         __ LoadObject(dst, cgen_->ToHandle(constant_source));
@@ -314,7 +316,9 @@ void LGapResolver::EmitMove(int index) {
     } else {
       ASSERT(destination->IsStackSlot());
       Operand dst = cgen_->ToOperand(destination);
-      if (cgen_->IsInteger32(constant_source)) {
+      if (cgen_->IsSmi(constant_source)) {
+        __ Set(dst, cgen_->ToSmiImmediate(constant_source));
+      } else if (cgen_->IsInteger32(constant_source)) {
         __ Set(dst, cgen_->ToInteger32Immediate(constant_source));
       } else {
         Register tmp = EnsureTempRegister();