[compiler] Make SFI "optimize" flag a "tier up" flag

src/builtins/arm/builtins-arm.cc

Index: src/builtins/arm/builtins-arm.cc
diff --git a/src/builtins/arm/builtins-arm.cc b/src/builtins/arm/builtins-arm.cc
index b739545996e3e206ce3eab1a24ccbb56cda843b9..31813e89694c56e9e7f5fd395d2606aef66d6c0a 100644
--- a/src/builtins/arm/builtins-arm.cc
+++ b/src/builtins/arm/builtins-arm.cc
@@ -1483,12 +1483,10 @@ void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
   __ ldr(entry,
          FieldMemOperand(closure, JSFunction::kSharedFunctionInfoOffset));
   // Is the shared function marked for optimization?

[rmcilroy, 2016/10/26 15:07:59]

update comment (throughtout)

[Leszek Swirski, 2016/10/27 09:40:20]

Done.

-  __ ldrb(r5,
-          FieldMemOperand(
-              entry, SharedFunctionInfo::kWasMarkedForOptimizationByteOffset));
-  __ tst(
-      r5,
-      Operand(1 << SharedFunctionInfo::kWasMarkedForOptimizationBitWithinByte));
+  __ ldrb(r5, FieldMemOperand(
+                  entry, SharedFunctionInfo::kWasMarkedForTierUpByteOffset));
+  __ tst(r5,
+         Operand(1 << SharedFunctionInfo::kWasMarkedForTierUpBitWithinByte));
   __ b(eq, &gotta_call_runtime_no_stack);
   // Is the full code valid?
   __ ldr(entry, FieldMemOperand(entry, SharedFunctionInfo::kCodeOffset));