hotspot/src/share/vm/opto/library_call.cpp

rev 4963 : imported patch stable

*** 1277,1286 ****
--- 1277,1293 ----
    Node* target = _gvn.transform( makecon(TypeOopPtr::make_from_constant(target_array, true)));
    jint target_length = target_array->length();
    const TypeAry* target_array_type = TypeAry::make(TypeInt::CHAR, TypeInt::make(0, target_length, Type::WidenMin));
    const TypeAryPtr* target_type = TypeAryPtr::make(TypePtr::BotPTR, target_array_type, target_array->klass(), true, Type::OffsetBot);
  
+   if (UseImplicitStableValues) {
+     // String.value field is known to be @Stable.
+     // Reify the property as a CastPP node in Ideal graph to comply with monotonicity
+     // assumption of CCP analysis.
+     target = _gvn.transform(new(C) CastPPNode(target, target_type->cast_to_stable(true)));
+   }
+ 
    IdealKit kit(this, false, true);
  #define __ kit.
    Node* zero             = __ ConI(0);
    Node* one              = __ ConI(1);
    Node* cache            = __ ConI(cache_i);