1 /* $NetBSD: msg_252.c,v 1.8 2024/06/08 06:42:59 rillig Exp $ */ 2 # 3 "msg_252.c" 3 4 // Test for message: integer constant out of range [252] 5 6 /* 7 * See also: 8 * platform_ilp32_trad.c 9 * platform_ilp32_c90.c 10 * platform_ilp32_c99.c 11 * platform_lp64_trad.c 12 * platform_lp64_c90.c 13 * platform_lp64_c99.c 14 */ 15 16 /* 17 * On ILP32 platforms, lint additionally and unnecessarily warns: 18 * 19 * conversion of 'unsigned long' to 'int' is out of range [119] 20 * 21 * On an ILP32 platform, lex_integer_constant interprets this number as 22 * having type ULONG, which is stored as 'ULONG 0x0000_0000_ffff_ffff'. 23 * This number is passed to convert_constant, which calls convert_integer, 24 * which sign-extends the number to 'INT 0xffff_ffff_ffff_ffff'. This 25 * converted number is passed to convert_constant_check_range, and at this 26 * point, v->u.integer != nv->u.integer, due to the sign extension. This 27 * triggers an additional warning 119. 28 * 29 * On a 64-bit platform, lex_integer_constant stores the number as 30 * 'ULONG 0xffff_ffff_ffff_ffff', which has the same representation as the 31 * 'INT 0xffff_ffff_ffff_ffff', therefore no warning. 32 * 33 * Due to this unnecessary difference, disable this test on ILP32 platforms 34 * for now (2021-08-28). 35 */ 36 /* lint1-only-if: lp64 */ 37 38 /* lint1-extra-flags: -X 351 */ 39 40 /* expect+1: warning: integer constant out of range [252] */ 41 int constant = 1111111111111111111111111111111111111111111111111111; 42