Add checks to runtime functions.

src/x64/lithium-codegen-x64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1309 matching lines @@
   __ movq(result, FieldOperand(input, JSValue::kValueOffset));
 
   __ bind(&done);
 }
 
 
 void LCodeGen::DoDateField(LDateField* instr) {
   Register object = ToRegister(instr->InputAt(0));
   Register result = ToRegister(instr->result());
   Smi* index = instr->index();
-  Label runtime, done;
+  Label runtime, done, not_date_object;
   ASSERT(object.is(result));
   ASSERT(object.is(rax));
 
-#ifdef DEBUG
-  __ AbortIfSmi(object);
+  Condition cc = masm()->CheckSmi(object);
+  DeoptimizeIf(cc, instr->environment());
   __ CmpObjectType(object, JS_DATE_TYPE, kScratchRegister);
-  __ Assert(equal, "Trying to get date field from non-date.");
-#endif
+  DeoptimizeIf(not_equal, instr->environment());
 
   if (index->value() == 0) {
     __ movq(result, FieldOperand(object, JSDate::kValueOffset));
   } else {
     if (index->value() < JSDate::kFirstUncachedField) {
       ExternalReference stamp = ExternalReference::date_cache_stamp(isolate());
       __ movq(kScratchRegister, stamp);
       __ cmpq(kScratchRegister, FieldOperand(object,
                                              JSDate::kCacheStampOffset));
       __ j(not_equal, &runtime, Label::kNear);
@@ skipping 598 matching lines @@
 
   __ CmpObjectType(input, TestType(instr->hydrogen()), kScratchRegister);
   EmitBranch(true_block, false_block, BranchCondition(instr->hydrogen()));
 }
 
 
 void LCodeGen::DoGetCachedArrayIndex(LGetCachedArrayIndex* instr) {
   Register input = ToRegister(instr->InputAt(0));
   Register result = ToRegister(instr->result());
 
-  if (FLAG_debug_code) {
-    __ AbortIfNotString(input);
-  }
+  __ AbortIfNotString(input);
 
   __ movl(result, FieldOperand(input, String::kHashFieldOffset));
   ASSERT(String::kHashShift >= kSmiTagSize);
   __ IndexFromHash(result, result);
 }
 
 
 void LCodeGen::DoHasCachedArrayIndexAndBranch(
     LHasCachedArrayIndexAndBranch* instr) {
   Register input = ToRegister(instr->InputAt(0));
@@ skipping 3309 matching lines @@
                                FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64