modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/execute/920812-1.c (about)

     1  typedef int t;
     2  f(t y){switch(y){case 1:return 1;}return 0;}
     3  main(){if(f((t)1)!=1)abort();exit(0);}