foo(void)1*c85f09ccSJohn Levon void foo(void)
2*c85f09ccSJohn Levon {
3*c85f09ccSJohn Levon 	_Static_assert((char) -1 == -1, "plain char is not signed");
4*c85f09ccSJohn Levon }
5*c85f09ccSJohn Levon 
6*c85f09ccSJohn Levon /*
7*c85f09ccSJohn Levon  * check-name: fsigned-char
8*c85f09ccSJohn Levon  * check-command: sparse -fsigned-char -Wno-decl $file
9*c85f09ccSJohn Levon  */
10