gcc/testsuite/gcc.dg/old-style-prom-1.c

   1 /* Test for prototype followed by old-style definition, as in
   2    dremf-type-compat-1.c but with a non-built-in function.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "" } */
   5
   6 float f (float, float);
   7
   8 float
   9 f (x, y)
  10      float x, y;
  11 {
  12   return x + y;
  13 }