1  /* PR 37186 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Wall -Werror -Wno-error=pointer-sign" } */
       4  
       5  int foo(signed char *); /* { dg-message "note: expected 'signed char \\*' but argument is of type 'unsigned char \\*'" } */
       6  int bar(unsigned char *p)
       7  {
       8    return foo(p); /* { dg-warning "pointer targets in passing argument 1 of 'foo' differ in signedness" } */
       9  }