gcc/testsuite/gcc.dg/lvalue-5.c

   1 /* Test assignment to elements of a string literal is a warning, not
   2    an error.  PR 27676.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-O -pedantic-errors" } */
   5
   6 void
   7 f (void)
   8 {
   9   "foo"[0] = 0; /* { dg-warning "assignment of read-only location" } */
  10   "foo"[0]++; /* { dg-warning "increment of read-only location" } */
  11   "foo"[0]--; /* { dg-warning "decrement of read-only location" } */
  12   ++"foo"[0]; /* { dg-warning "increment of read-only location" } */
  13   --"foo"[0]; /* { dg-warning "decrement of read-only location" } */
  14 }