1typedef unsigned int __attribute__((bitwise)) large_t; 2#define LBIT ((__attribute__((force)) large_t) 1) 3 4_Bool lfoo(large_t x) { return x; } 5_Bool qfoo(large_t x) { _Bool r = x; return r; } 6_Bool xfoo(large_t x) { return (_Bool)x; } 7_Bool lbar(large_t x) { return ~x; } 8_Bool qbar(large_t x) { _Bool r = ~x; return r; } 9_Bool xbar(large_t x) { return (_Bool)~x; } 10_Bool lbaz(large_t x) { return !x; } 11_Bool qbaz(large_t x) { _Bool r = !x; return r; } 12_Bool xbaz(large_t x) { return (_Bool)!x; } 13_Bool lqux(large_t x) { return x & LBIT; } 14_Bool qqux(large_t x) { _Bool r = x & LBIT; return r; } 15_Bool xqux(large_t x) { return (_Bool)(x & LBIT); } 16 17 18typedef unsigned short __attribute__((bitwise)) small_t; 19#define SBIT ((__attribute__((force)) small_t) 1) 20 21_Bool sfoo(small_t x) { return x; } 22_Bool tfoo(small_t x) { _Bool r = x; return r; } 23_Bool zfoo(small_t x) { return (_Bool)x; } 24_Bool sbar(small_t x) { return ~x; } 25_Bool tbar(small_t x) { _Bool r = ~x; return r; } 26_Bool zbar(small_t x) { return (_Bool)~x; } 27_Bool sbaz(small_t x) { return !x; } 28_Bool tbaz(small_t x) { _Bool r = !x; return r; } 29_Bool zbaz(small_t x) { return (_Bool)!x; } 30_Bool squx(small_t x) { return x & SBIT; } 31_Bool tqux(small_t x) { _Bool r = x & SBIT; return r; } 32_Bool zqux(small_t x) { return (_Bool)(x & SBIT); } 33 34/* 35 * check-name: bool-cast-restricted.c 36 * check-command: sparse -Wno-decl $file 37 * 38 * check-error-start 39bool-cast-restricted.c:24:32: warning: restricted small_t degrades to integer 40bool-cast-restricted.c:25:35: warning: restricted small_t degrades to integer 41bool-cast-restricted.c:26:33: warning: restricted small_t degrades to integer 42 * check-error-end 43 */ 44