modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/941021-1.c (about) 1 double glob_dbl; 2 3 f (pdbl, value) 4 double *pdbl; 5 double value; 6 { 7 if (pdbl == 0) 8 pdbl = &glob_dbl; 9 10 *pdbl = value; 11 } 12 13 main () 14 { 15 f ((void *) 0, 55.1); 16 17 if (glob_dbl != 55.1) 18 abort (); 19 exit (0); 20 }