[generators] Decouple generator resume from fullcodegen.

src/arm64/macro-assembler-arm64.cc

Index: src/arm64/macro-assembler-arm64.cc
diff --git a/src/arm64/macro-assembler-arm64.cc b/src/arm64/macro-assembler-arm64.cc
index 12ddd8145e38decd00e98c6902a084151f71dfdb..bd7ff3d7210688aa6bc44ea061ccbede8a375e3c 100644
--- a/src/arm64/macro-assembler-arm64.cc
+++ b/src/arm64/macro-assembler-arm64.cc
@@ -1659,6 +1659,17 @@ void MacroAssembler::AssertBoundFunction(Register object) {
   }
 }
 
+void MacroAssembler::AssertGeneratorObject(Register object) {
+  if (emit_debug_code()) {
+    AssertNotSmi(object, kOperandIsASmiAndNotAGeneratorObject);
+
+    UseScratchRegisterScope temps(this);
+    Register temp = temps.AcquireX();
+
+    CompareObjectType(object, temp, temp, JS_GENERATOR_OBJECT_TYPE);
+    Check(eq, kOperandIsNotAGeneratorObject);
+  }
+}
 
 void MacroAssembler::AssertReceiver(Register object) {
   if (emit_debug_code()) {