[generators] Decouple generator resume from fullcodegen.

src/arm/macro-assembler-arm.cc

Index: src/arm/macro-assembler-arm.cc
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index 6af3d6c20cb74107494a278d6441367c65e3a168..a4e1fa0cf3423d177b157501c02e87bf2c7c52a3 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -3129,6 +3129,17 @@ void MacroAssembler::AssertBoundFunction(Register object) {
   }
 }
 
+void MacroAssembler::AssertGeneratorObject(Register object) {
+  if (emit_debug_code()) {
+    STATIC_ASSERT(kSmiTag == 0);
+    tst(object, Operand(kSmiTagMask));
+    Check(ne, kOperandIsASmiAndNotAGeneratorObject);
+    push(object);
+    CompareObjectType(object, object, object, JS_GENERATOR_OBJECT_TYPE);
+    pop(object);
+    Check(eq, kOperandIsNotAGeneratorObject);
+  }
+}
 
 void MacroAssembler::AssertReceiver(Register object) {
   if (emit_debug_code()) {