8264096: slowdebug jvm crashes when StrInflatedCopy match rule is not supported

Co-authored-by: Yadong Wang <yadonn.wang@huawei.com>
Reviewed-by: thartmann

Author: RealFYang

src/hotspot/share/opto/c2compiler.cpp

@@ -179,11 +179,11 @@ bool C2Compiler::is_intrinsic_supported(const methodHandle& method, bool is_virt
   switch (id) {
   case vmIntrinsics::_compressStringC:
   case vmIntrinsics::_compressStringB:
-    if (!Matcher::has_match_rule(Op_StrCompressedCopy)) return false;
+    if (!Matcher::match_rule_supported(Op_StrCompressedCopy)) return false;
     break;
   case vmIntrinsics::_inflateStringC:
   case vmIntrinsics::_inflateStringB:
-    if (!Matcher::has_match_rule(Op_StrInflatedCopy)) return false;
+    if (!Matcher::match_rule_supported(Op_StrInflatedCopy)) return false;
     break;
   case vmIntrinsics::_compareToL:
   case vmIntrinsics::_compareToU:

src/hotspot/share/opto/graphKit.cpp

@@ -4228,6 +4228,8 @@ void GraphKit::inflate_string_slow(Node* src, Node* dst, Node* start, Node* coun
    * }
    */
   add_empty_predicates();
+  C->set_has_loops(true);
+
   RegionNode* head = new RegionNode(3);
   head->init_req(1, control());
   gvn().set_type(head, Type::CONTROL);