Implement the function.sent proposal.

src/full-codegen/ppc/full-codegen-ppc.cc

 // Copyright 2014 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_PPC
 
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 2023 matching lines @@
     Expression* generator, Expression* value,
     JSGeneratorObject::ResumeMode resume_mode) {
   // The value stays in r3, and is ultimately read by the resumed generator, as
   // if CallRuntime(Runtime::kSuspendJSGeneratorObject) returned it. Or it
   // is read to throw the value when the resumed generator is already closed.
   // r4 will hold the generator object until the activation has been resumed.
   VisitForStackValue(generator);
   VisitForAccumulatorValue(value);
   __ pop(r4);
 
+  // Store input value into generator object.
+  __ StoreP(result_register(),
+            FieldMemOperand(r4, JSGeneratorObject::kInputOffset));
+  __ mr(r5, result_register());
+  __ RecordWriteField(r4, JSGeneratorObject::kInputOffset, r5, r6,
+                      kLRHasBeenSaved, kDontSaveFPRegs);
+
   // Load suspended function and context.
   __ LoadP(cp, FieldMemOperand(r4, JSGeneratorObject::kContextOffset));
   __ LoadP(r7, FieldMemOperand(r4, JSGeneratorObject::kFunctionOffset));
 
   // Load receiver and store as the first argument.
   __ LoadP(r5, FieldMemOperand(r4, JSGeneratorObject::kReceiverOffset));
   __ push(r5);
 
   // Push holes for the rest of the arguments to the generator function.
   __ LoadP(r6, FieldMemOperand(r7, JSFunction::kSharedFunctionInfoOffset));
@@ skipping 2732 matching lines @@
     return ON_STACK_REPLACEMENT;
   }
 
   DCHECK(interrupt_address ==
          isolate->builtins()->OsrAfterStackCheck()->entry());
   return OSR_AFTER_STACK_CHECK;
 }
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_TARGET_ARCH_PPC