ARM64: Fix some signed-unsigned comparisons from cdc43bc (r28412).

src/arm64/assembler-arm64-inl.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_ARM64_ASSEMBLER_ARM64_INL_H_
 #define V8_ARM64_ASSEMBLER_ARM64_INL_H_
 
 #include "src/arm64/assembler-arm64.h"
 #include "src/assembler.h"
 #include "src/debug.h"
@@ skipping 849 matching lines @@
 }
 
 
 bool RelocInfo::IsPatchedReturnSequence() {
   // The sequence must be:
   //   ldr ip0, [pc, #offset]
   //   blr ip0
   // See arm64/debug-arm64.cc BreakLocation::SetDebugBreakAtReturn().
   Instruction* i1 = reinterpret_cast<Instruction*>(pc_);
   Instruction* i2 = i1->following();
-  return i1->IsLdrLiteralX() && (i1->Rt() == ip0.code()) &&
-         i2->IsBranchAndLinkToRegister() && (i2->Rn() == ip0.code());
+  return i1->IsLdrLiteralX() && (i1->Rt() == kIp0Code) &&
+         i2->IsBranchAndLinkToRegister() && (i2->Rn() == kIp0Code);
 }
 
 
 bool RelocInfo::IsPatchedDebugBreakSlotSequence() {
   Instruction* current_instr = reinterpret_cast<Instruction*>(pc_);
   return !current_instr->IsNop(Assembler::DEBUG_BREAK_NOP);
 }
 
 
 void RelocInfo::Visit(Isolate* isolate, ObjectVisitor* visitor) {
@@ skipping 412 matching lines @@
 
 
 void Assembler::ClearRecordedAstId() {
   recorded_ast_id_ = TypeFeedbackId::None();
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM64_ASSEMBLER_ARM64_INL_H_