modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/20030216-1.c (about) 1 /* This test requires constant propagation of loads and stores to be 2 enabled. This is only guaranteed at -O2 and higher. Do not run 3 at -O1. */ 4 /* { dg-skip-if "requires higher optimization" { *-*-* } "-O1" "" } */ 5 6 void link_error (void); 7 const double one=1.0; 8 main () 9 { 10 #ifdef __OPTIMIZE__ 11 if ((int) one != 1) 12 link_error (); 13 #endif 14 return 0; 15 }