lex_integer_binary.c revision 1.3 
1/*	$NetBSD: lex_integer_binary.c,v 1.3 2023/03/28 14:44:34 rillig Exp $	*/
2# 3 "lex_integer_binary.c"
3
4/*
5 * Test for parsing binary integer literals in non-GCC mode.
6 * As of C11, binary integer literals are not supported.
7 * Neither are underscores in integer literals.
8 */
9
10/* Remove the default -g flag. */
11/* lint1-flags: -Ac11 -w -X 351 */
12
13void sink(unsigned int);
14
15void
16binary_literal(void)
17{
18	/*
19	 * Binary integer literals are a GCC extension, but lint allows them
20	 * even in non-GCC mode.
21	 */
22	sink(0b1111000001011010);
23
24	/*
25	 * Even though it would be useful for binary literals, GCC does not
26	 * support underscores to separate the digit groups.
27	 */
28	/* expect+1: error: syntax error '_0000_0101_1010' [249] */
29	sink(0b1111_0000_0101_1010);
30}
31