gcc/testsuite/gcc.dg/Wredundant-decls-1.c

   1 /* PR 16684: no redundant declaration warnings should issue the first
   2    time a built-in function is declared.
   3    { dg-do compile }
   4    { dg-options "-Wredundant-decls" } */
   5
   6 void *malloc (__SIZE_TYPE__);  /* { dg-bogus "redundant" } */
   7 void *malloc (__SIZE_TYPE__);  /* { dg-warning "redundant" } */