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

src/builtins/x87/builtins-x87.cc

Index: src/builtins/x87/builtins-x87.cc
diff --git a/src/builtins/x87/builtins-x87.cc b/src/builtins/x87/builtins-x87.cc
index 237a8ee1954670887350d937b212a9375148425d..7bca269f47074910adb69cc4ce2a9606bce8fb67 100644
--- a/src/builtins/x87/builtins-x87.cc
+++ b/src/builtins/x87/builtins-x87.cc
@@ -1164,10 +1164,8 @@ void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
   __ mov(entry, FieldOperand(closure, JSFunction::kSharedFunctionInfoOffset));
   // Is the shared function marked for optimization?
   __ test_b(
-      FieldOperand(entry,
-                   SharedFunctionInfo::kWasMarkedForOptimizationByteOffset),
-      Immediate(
-          1 << SharedFunctionInfo::kWasMarkedForOptimizationBitWithinByte));
+      FieldOperand(entry, SharedFunctionInfo::kWasMarkedForTierUpByteOffset),
+      Immediate(1 << SharedFunctionInfo::kWasMarkedForTierUpBitWithinByte));
   __ j(not_zero, &gotta_call_runtime_no_stack);
   // Is the full code valid?
   __ mov(entry, FieldOperand(entry, SharedFunctionInfo::kCodeOffset));