[generators] Always call function with closure context when resuming.

src/builtins/s390/builtins-s390.cc

Index: src/builtins/s390/builtins-s390.cc
diff --git a/src/builtins/s390/builtins-s390.cc b/src/builtins/s390/builtins-s390.cc
index b033fdec47bcaebf6315d3c390fabdc530dc54fc..b2703b3a40db9ec3e56cb5a88c9bd0029b5917d8 100644
--- a/src/builtins/s390/builtins-s390.cc
+++ b/src/builtins/s390/builtins-s390.cc
@@ -748,8 +748,8 @@ void Builtins::Generate_ResumeGeneratorTrampoline(MacroAssembler* masm) {
   __ StoreP(r4, FieldMemOperand(r3, JSGeneratorObject::kResumeModeOffset));
 
   // Load suspended function and context.
-  __ LoadP(cp, FieldMemOperand(r3, JSGeneratorObject::kContextOffset));
   __ LoadP(r6, FieldMemOperand(r3, JSGeneratorObject::kFunctionOffset));
+  __ LoadP(cp, FieldMemOperand(r6, JSFunction::kContextOffset));
 
   // Flood function if we are stepping.
   Label prepare_step_in_if_stepping, prepare_step_in_suspended_generator;