typedef unsigned int __attribute__((bitwise)) large_t; #define LBIT ((__attribute__((force)) large_t) 1) _Bool lfoo(large_t x) { return x; } _Bool qfoo(large_t x) { _Bool r = x; return r; } _Bool xfoo(large_t x) { return (_Bool)x; } _Bool lbar(large_t x) { return ~x; } _Bool qbar(large_t x) { _Bool r = ~x; return r; } _Bool xbar(large_t x) { return (_Bool)~x; } _Bool lbaz(large_t x) { return !x; } _Bool qbaz(large_t x) { _Bool r = !x; return r; } _Bool xbaz(large_t x) { return (_Bool)!x; } _Bool lqux(large_t x) { return x & LBIT; } _Bool qqux(large_t x) { _Bool r = x & LBIT; return r; } _Bool xqux(large_t x) { return (_Bool)(x & LBIT); } typedef unsigned short __attribute__((bitwise)) small_t; #define SBIT ((__attribute__((force)) small_t) 1) _Bool sfoo(small_t x) { return x; } _Bool tfoo(small_t x) { _Bool r = x; return r; } _Bool zfoo(small_t x) { return (_Bool)x; } _Bool sbar(small_t x) { return ~x; } _Bool tbar(small_t x) { _Bool r = ~x; return r; } _Bool zbar(small_t x) { return (_Bool)~x; } _Bool sbaz(small_t x) { return !x; } _Bool tbaz(small_t x) { _Bool r = !x; return r; } _Bool zbaz(small_t x) { return (_Bool)!x; } _Bool squx(small_t x) { return x & SBIT; } _Bool tqux(small_t x) { _Bool r = x & SBIT; return r; } _Bool zqux(small_t x) { return (_Bool)(x & SBIT); } /* * check-name: bool-cast-restricted.c * check-command: sparse -Wno-decl $file * * check-error-start bool-cast-restricted.c:24:32: warning: restricted small_t degrades to integer bool-cast-restricted.c:25:35: warning: restricted small_t degrades to integer bool-cast-restricted.c:26:33: warning: restricted small_t degrades to integer * check-error-end */