Fix dictionary element load to pass correct elements kind.

src/x64/lithium-codegen-x64.cc

Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index 9c12a5102ca878c772a3f730a15f393ac8a18832..3026349751709a82885b0ccd35e0337e84d76ea7 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -2781,6 +2781,11 @@ void LCodeGen::DoLoadNamedField(LLoadNamedField* instr) {
   Representation representation = access.representation();
   if (representation.IsSmi() &&
       instr->hydrogen()->representation().IsInteger32()) {
+    if (FLAG_debug_code) {

[Igor Sheludko, 2014/02/14 15:16:31]

I think it is better to use #ifdef DEBUG as we did for check in StoreNamedField.

[ulan, 2014/02/14 15:22:39]

Done.

+      Register scratch = kScratchRegister;
+      __ Load(scratch, FieldOperand(object, offset), representation);
+      __ AssertSmi(scratch);
+    }
     // Read int value directly from upper half of the smi.
     STATIC_ASSERT(kSmiTag == 0);
     STATIC_ASSERT(kSmiTagSize + kSmiShiftSize == 32);
@@ -3026,6 +3031,17 @@ void LCodeGen::DoLoadKeyedFixedArray(LLoadKeyed* instr) {
   if (representation.IsInteger32() &&
       hinstr->elements_kind() == FAST_SMI_ELEMENTS) {
     ASSERT(!requires_hole_check);
+    if (FLAG_debug_code) {

[Igor Sheludko, 2014/02/14 15:16:31]

Same as above.

[ulan, 2014/02/14 15:22:39]

Done.

+      Register scratch = kScratchRegister;
+      __ Load(scratch,
+              BuildFastArrayOperand(instr->elements(),
+                                    key,
+                                    FAST_ELEMENTS,
+                                    offset,
+                                    instr->additional_index()),
+              Representation::Smi());
+      __ AssertSmi(scratch);
+    }
     // Read int value directly from upper half of the smi.
     STATIC_ASSERT(kSmiTag == 0);
     STATIC_ASSERT(kSmiTagSize + kSmiShiftSize == 32);