[esnext] prototype runtime implementation for async functions

src/compiler/s390/code-generator-s390.cc

 // Copyright 2015 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.
 
 #include "src/compiler/code-generator.h"
 
 #include "src/ast/scopes.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 1297 matching lines @@
         frame_access_state()->IncreaseSPDelta(kDoubleSize / kPointerSize);
       } else {
         __ Push(i.InputRegister(0));
         frame_access_state()->IncreaseSPDelta(1);
       }
       break;
     case kS390_PushFrame: {
       int num_slots = i.InputInt32(1);
       __ lay(sp, MemOperand(sp, -num_slots * kPointerSize));
       if (instr->InputAt(0)->IsDoubleRegister()) {
-        __ StoreDouble(i.InputDoubleRegister(0),
-                 MemOperand(sp));
+        __ StoreDouble(i.InputDoubleRegister(0), MemOperand(sp));

[Dan Ehrenberg, 2016/05/04 22:52:36]

Nit: Maybe back out this style change now that you're not changing anything else
in the file.

       } else {
-        __ StoreP(i.InputRegister(0),
-                  MemOperand(sp));
+        __ StoreP(i.InputRegister(0), MemOperand(sp));
       }
       break;
     }
     case kS390_StoreToStackSlot: {
       int slot = i.InputInt32(1);
       if (instr->InputAt(0)->IsDoubleRegister()) {
         __ StoreDouble(i.InputDoubleRegister(0),
                        MemOperand(sp, slot * kPointerSize));
       } else {
         __ StoreP(i.InputRegister(0), MemOperand(sp, slot * kPointerSize));
@@ skipping 788 matching lines @@
       padding_size -= 2;
     }
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8