Version 3.19.17.

src/x64/macro-assembler-x64.cc

Index: src/x64/macro-assembler-x64.cc
diff --git a/src/x64/macro-assembler-x64.cc b/src/x64/macro-assembler-x64.cc
index b6a1d34d6a5cbfc8af1a0e2dcfe1e0015860891e..a2568a400f41fa8960c61c8cda0998e03fa854f2 100644
--- a/src/x64/macro-assembler-x64.cc
+++ b/src/x64/macro-assembler-x64.cc
@@ -697,8 +697,6 @@ void MacroAssembler::PrepareCallApiFunction(int arg_stack_space,
 
 
 void MacroAssembler::CallApiFunctionAndReturn(Address function_address,
-                                              Address thunk_address,
-                                              Register thunk_last_arg,
                                               int stack_space,
                                               bool returns_handle,
                                               int return_value_offset) {
@@ -739,29 +737,9 @@ void MacroAssembler::CallApiFunctionAndReturn(Address function_address,
     PopSafepointRegisters();
   }
 
-
-  Label profiler_disabled;
-  Label end_profiler_check;
-  bool* is_profiling_flag =
-      isolate()->cpu_profiler()->is_profiling_address();
-  STATIC_ASSERT(sizeof(*is_profiling_flag) == 1);
-  movq(rax, is_profiling_flag, RelocInfo::EXTERNAL_REFERENCE);
-  cmpb(Operand(rax, 0), Immediate(0));
-  j(zero, &profiler_disabled);
-
-  // Third parameter is the address of the actual getter function.
-  movq(thunk_last_arg, function_address, RelocInfo::EXTERNAL_REFERENCE);
-  movq(rax, thunk_address, RelocInfo::EXTERNAL_REFERENCE);
-  jmp(&end_profiler_check);
-
-  bind(&profiler_disabled);
   // Call the api function!
   movq(rax, reinterpret_cast<int64_t>(function_address),
        RelocInfo::EXTERNAL_REFERENCE);
-
-  bind(&end_profiler_check);
-
-  // Call the api function!
   call(rax);
 
   if (FLAG_log_timer_events) {