A64: Fix r19474: Tidy up Push and Pop TODOs.

src/a64/macro-assembler-a64.cc

 // Copyright 2013 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 1061 matching lines @@
       ldp(dst2, dst3, MemOperand(StackPointer(), 2 * size));
       ldp(dst0, dst1, MemOperand(StackPointer(), 4 * size, PostIndex));
       break;
     default:
       UNREACHABLE();
   }
 }
 
 
 void MacroAssembler::PrepareForPush(Operand total_size) {
-  AssertStackConsistency();
+  // TODO(jbramley): This assertion generates too much code in some debug tests.
+  // AssertStackConsistency();
   if (csp.Is(StackPointer())) {
     // If the current stack pointer is csp, then it must be aligned to 16 bytes
     // on entry and the total size of the specified registers must also be a
     // multiple of 16 bytes.
     if (total_size.IsImmediate()) {
       ASSERT((total_size.immediate() % 16) == 0);
     }
 
     // Don't check access size for non-immediate sizes. It's difficult to do
     // well, and it will be caught by hardware (or the simulator) anyway.
@@ skipping 3982 matching lines @@
   }
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_A64