gcc/testsuite/gcc.dg/lvalue1.c

   1 /* PR c/5225 */
   2 /* { dg-do compile } */
   3
   4 int main()
   5 {
   6   int i;
   7   +i = 1;       /* { dg-error "invalid lvalue in assignment" } */
   8   return 0;
   9 }