gcc/testsuite/gcc.dg/assign-warn-3.c

   1 /* Test diagnostics for bad type conversion when inlining unprototyped
   2    functions: should not be errors with -pedantic-errors.  */
   3 /* Origin: Joseph Myers <jsm@polyomino.org.uk> */
   4 /* { dg-do compile } */
   5 /* { dg-options "-O3 -std=c99 -pedantic-errors" } */
   6
   7 /* This is valid to execute, so maybe shouldn't warn at all.  */
   8 void f0(x) signed char *x; { }
   9 void g0(unsigned char *x) { f0(x); } /* { dg-warning "warning: pointer targets in passing argument 1 of 'f0' differ in signedness" } */
  10
  11 /* This is undefined on execution but still must compile.  */
  12 void f1(x) int *x; { }
  13 void g1(unsigned int *x) { f1(x); } /* { dg-warning "warning: pointer targets in passing argument 1 of 'f1' differ in signedness" } */