src/hotspot/share/oops/symbol.cpp

*** 89,98 ****
--- 89,115 ----
  
  bool Symbol::is_Q_signature() const {
    return utf8_length() > 2 && char_at(0) == 'Q' && char_at(utf8_length() - 1) == ';';
  }
  
+ bool Symbol::is_Q_array_signature() const {
+   int l = utf8_length();
+   if (l < 2 || char_at(0) != '[' || char_at(l - 1) != ';') {
+     return false;
+   }
+   for (int i = 1; i < (l - 2); i++) {
+     char c = char_at(i);
+     if (c == 'Q') {
+       return true;
+     }
+     if (c != '[') {
+       return false;
+     }
+   }
+   return false;
+ }
+ 
  Symbol* Symbol::fundamental_name(TRAPS) {
    if ((char_at(0) == 'Q' || char_at(0) == 'L') && char_at(utf8_length() - 1) == ';') {
      return SymbolTable::lookup(this, 1, utf8_length() - 1, CHECK_NULL);
    } else {
      // reference count is incremented to be consistent with the behavior with