gcc/testsuite/gcc.dg/old-style-prom-2.c

   1 /* Test for prototype followed by old-style definition, as in
   2    dremf-type-compat-2.c but with a non-built-in function.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-pedantic" } */
   5
   6 float f (float, float); /* { dg-warning "prototype declaration" } */
   7
   8 float
   9 f (x, y)
  10      float x; /* { dg-warning "promoted argument 'x' doesn't match prototype" } */
  11      float y; /* { dg-warning "promoted argument 'y' doesn't match prototype" } */
  12 {
  13   return x + y;
  14 }