modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/pr48973-2.c (about) 1 /* PR middle-end/48973 */ 2 3 extern void abort (void); 4 struct S { int f : 1; } s; 5 int v = -1; 6 7 int 8 main () 9 { 10 s.f = v < 0; 11 if ((unsigned int) s.f != -1U) 12 abort (); 13 return 0; 14 }