Refactor FrameAndConstantPoolScope and ConstantPoolUnavailableScope to be architecture independent

src/arm64/macro-assembler-arm64.cc

Index: src/arm64/macro-assembler-arm64.cc
diff --git a/src/arm64/macro-assembler-arm64.cc b/src/arm64/macro-assembler-arm64.cc
index 3d6709777f46302d7f6b50339ac2f16c50812d93..ec539dd411365c84e71863d4641fa817c6194d96 100644
--- a/src/arm64/macro-assembler-arm64.cc
+++ b/src/arm64/macro-assembler-arm64.cc
@@ -3064,6 +3064,13 @@ void MacroAssembler::Prologue(bool code_pre_aging) {
 }
 
 
+void MacroAssembler::EnterFrame(StackFrame::Type type,
+                                bool load_constant_pool_pointer_reg) {
+  // Constant pool not implemented on arm64.

[rmcilroy, 2014/10/09 09:22:48]

Out-of-line constant pool not... (arm64 does have an inline constant pool). 
Please change for other architectures as well.

[baixo, 2014/10/09 11:21:38]

Done.

+  UNREACHABLE();
+}
+
+
 void MacroAssembler::EnterFrame(StackFrame::Type type) {
   DCHECK(jssp.Is(StackPointer()));
   UseScratchRegisterScope temps(this);