- Rationalize the way we use comments.

runtime/vm/stub_code_arm.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_ARM)
 
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
@@ skipping 1534 matching lines @@
   __ LeaveStubFrame();
 
   __ ldr(R2, FieldAddress(R0, Function::code_offset()));
   __ ldr(R2, FieldAddress(R2, Code::instructions_offset()));
   __ AddImmediate(R2, Instructions::HeaderSize() - kHeapObjectTag);
   __ bx(R2);
 }
 
 
 void StubCode::GenerateBreakpointRuntimeStub(Assembler* assembler) {
-  __ Comment("BreakpointRuntime stub");
   __ EnterStubFrame();
   __ LoadImmediate(R0, reinterpret_cast<intptr_t>(Object::null()));
   // Preserve arguments descriptor and make room for result.
   __ PushList((1 << R0) | (1 << R4) | (1 << R5));
   __ CallRuntime(kBreakpointRuntimeHandlerRuntimeEntry, 0);
   __ PopList((1 << R0) | (1 << R4) | (1 << R5));
   __ LeaveStubFrame();
   __ bx(R0);
 }
 
@@ skipping 283 matching lines @@
   const Register right = R0;
   __ ldr(left, Address(SP, 1 * kWordSize));
   __ ldr(right, Address(SP, 0 * kWordSize));
   GenerateIdenticalWithNumberCheckStub(assembler, left, right, temp);
   __ Ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM