[generators] Implement %GeneratorGetSourcePosition.

src/arm64/builtins-arm64.cc

 // 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.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/arm64/frames-arm64.h"
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
@@ skipping 682 matching lines @@
 void Builtins::Generate_ResumeGeneratorTrampoline(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0 : the value to pass to the generator
   //  -- x1 : the JSGeneratorObject to resume
   //  -- x2 : the resume mode (tagged)
   //  -- lr : return address
   // -----------------------------------
   __ AssertGeneratorObject(x1);
 
   // Store input value into generator object.
-  __ Str(x0, FieldMemOperand(x1, JSGeneratorObject::kInputOffset));
-  __ RecordWriteField(x1, JSGeneratorObject::kInputOffset, x0, x3,
+  __ Str(x0, FieldMemOperand(x1, JSGeneratorObject::kInputOrDebugPosOffset));
+  __ RecordWriteField(x1, JSGeneratorObject::kInputOrDebugPosOffset, x0, x3,
                       kLRHasNotBeenSaved, kDontSaveFPRegs);
 
   // Store resume mode into generator object.
   __ Str(x2, FieldMemOperand(x1, JSGeneratorObject::kResumeModeOffset));
 
   // Load suspended function and context.
   __ Ldr(cp, FieldMemOperand(x1, JSGeneratorObject::kContextOffset));
   __ Ldr(x4, FieldMemOperand(x1, JSGeneratorObject::kFunctionOffset));
 
   // Flood function if we are stepping.
@@ skipping 2271 matching lines @@
   }
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM