src/share/vm/runtime/signature.cpp

*** 384,397 ****
  Symbol* SignatureStream::as_symbol(TRAPS) {
    // Create a symbol from for string _begin _end
    int begin = _begin;
    int end   = _end;
  
!   if ( ( _signature->byte_at(_begin) == 'L' || _signature->byte_at(_begin) == 'Q' )
!       && _signature->byte_at(_end-1) == ';') {
      begin++;
      end--;
    }
  
    // Save names for cleaning up reference count at the end of
    // SignatureStream scope.
    Symbol* name = SymbolTable::new_symbol(_signature, begin, end, CHECK_NULL);
--- 384,399 ----
  Symbol* SignatureStream::as_symbol(TRAPS) {
    // Create a symbol from for string _begin _end
    int begin = _begin;
    int end   = _end;
  
!   if (_type == T_OBJECT || _type == T_VALUETYPE) {
      begin++;
      end--;
+     if (begin == end) {
+       return (_type == T_OBJECT) ? vmSymbols::java_lang_Object() : vmSymbols::java_lang____Value();
+     }
    }
  
    // Save names for cleaning up reference count at the end of
    // SignatureStream scope.
    Symbol* name = SymbolTable::new_symbol(_signature, begin, end, CHECK_NULL);