Implement the function.sent proposal.

src/full-codegen/ia32/full-codegen-ia32.cc

Index: src/full-codegen/ia32/full-codegen-ia32.cc
diff --git a/src/full-codegen/ia32/full-codegen-ia32.cc b/src/full-codegen/ia32/full-codegen-ia32.cc
index 788c67bfa4af77d16ef4ef4969908668ba0e8298..03704d71cd2008a2362002c57665ee9c972692f0 100644
--- a/src/full-codegen/ia32/full-codegen-ia32.cc
+++ b/src/full-codegen/ia32/full-codegen-ia32.cc
@@ -1999,6 +1999,12 @@ void FullCodeGenerator::EmitGeneratorResume(Expression *generator,
   VisitForAccumulatorValue(value);
   __ pop(ebx);
 
+  // Store input value into generator object.
+  __ mov(FieldOperand(ebx, JSGeneratorObject::kInputOffset), result_register());
+  __ mov(ecx, result_register());
+  __ RecordWriteField(ebx, JSGeneratorObject::kInputOffset, ecx, edx,
+                      kDontSaveFPRegs);
+
   // Load suspended function and context.
   __ mov(esi, FieldOperand(ebx, JSGeneratorObject::kContextOffset));
   __ mov(edi, FieldOperand(ebx, JSGeneratorObject::kFunctionOffset));