/* Test for prototype followed by old-style definition, as in   dremf-type-compat-2.c but with a non-built-in function.  *//* { dg-do compile } *//* { dg-options "-pedantic" } */float f (float, float); /* { dg-warning "warning: prototype declaration" } */floatf (x, y)     float x;     float y;{ /* { dg-warning "warning: promoted argument '.' doesn't match prototype" } */  return x + y;}