Ensure that we do not accidentally emit debug code.

src/x64/code-stubs-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 1279 matching lines @@
         // Allocate heap number in new space.
         // Not using AllocateHeapNumber macro in order to reuse
         // already loaded heap_number_map.
         __ AllocateInNewSpace(HeapNumber::kSize,
                               rax,
                               rdx,
                               no_reg,
                               &allocation_failed,
                               TAG_OBJECT);
         // Set the map.
-        if (FLAG_debug_code) {
-          __ AbortIfNotRootValue(heap_number_map,
-                                 Heap::kHeapNumberMapRootIndex,
-                                 "HeapNumberMap register clobbered.");
-        }
+        __ AssertRootValue(heap_number_map,
+                           Heap::kHeapNumberMapRootIndex,
+                           "HeapNumberMap register clobbered.");
         __ movq(FieldOperand(rax, HeapObject::kMapOffset),
                 heap_number_map);
         __ cvtqsi2sd(xmm0, rbx);
         __ movsd(FieldOperand(rax, HeapNumber::kValueOffset), xmm0);
         __ Ret();
 
         __ bind(&allocation_failed);
         // We need tagged values in rdx and rax for the following code,
         // not int32 in rax and rcx.
         __ Integer32ToSmi(rax, rcx);
@@ skipping 727 matching lines @@
   // Check if conversion was successful by converting back and
   // comparing to the original double's bits.
   __ cvtlsi2sd(xmm1, smi_result);
   __ movq(kScratchRegister, xmm1);
   __ cmpq(scratch2, kScratchRegister);
   __ j(not_equal, on_not_smis);
   __ Integer32ToSmi(first, smi_result);
 
   __ JumpIfSmi(second, (on_success != NULL) ? on_success : &done);
   __ bind(&first_smi);
-  if (FLAG_debug_code) {
-    // Second should be non-smi if we get here.
-    __ AbortIfSmi(second);
-  }
+  __ AssertNotSmi(second);
   __ cmpq(FieldOperand(second, HeapObject::kMapOffset), heap_number_map);
   __ j(not_equal, on_not_smis);
   // Convert second to smi, if possible.
   __ movsd(xmm0, FieldOperand(second, HeapNumber::kValueOffset));
   __ movq(scratch2, xmm0);
   __ cvttsd2siq(smi_result, xmm0);
   __ cvtlsi2sd(xmm1, smi_result);
   __ movq(kScratchRegister, xmm1);
   __ cmpq(scratch2, kScratchRegister);
   __ j(not_equal, on_not_smis);
@@ skipping 3856 matching lines @@
                                                         Label* done,
                                                         Register elements,
                                                         Register name,
                                                         Register r0,
                                                         Register r1) {
   ASSERT(!elements.is(r0));
   ASSERT(!elements.is(r1));
   ASSERT(!name.is(r0));
   ASSERT(!name.is(r1));
 
-  // Assert that name contains a string.
-  if (FLAG_debug_code) __ AbortIfNotString(name);
+  __ AssertString(name);
 
   __ SmiToInteger32(r0, FieldOperand(elements, kCapacityOffset));
   __ decl(r0);
 
   for (int i = 0; i < kInlinedProbes; i++) {
     // Compute the masked index: (hash + i + i * i) & mask.
     __ movl(r1, FieldOperand(name, String::kHashFieldOffset));
     __ shrl(r1, Immediate(String::kHashShift));
     if (i > 0) {
       __ addl(r1, Immediate(StringDictionary::GetProbeOffset(i)));
@@ skipping 561 matching lines @@
 #endif
 
   __ Ret();
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64