/* isdigit(c) can be optimized to ((unsigned)c) - '0' <= 9, but only if | |
we know the correct value of '0'. PR 18785. */ | |
/* { dg-do run } */ | |
/* { dg-require-iconv "IBM1047" } */ | |
/* { dg-options "-O2 -fno-inline -fexec-charset=IBM1047" } */ | |
extern int isdigit(int); | |
extern void abort(void); | |
static int str1(void) { return '1'; } | |
static int strA(void) { return 'A'; } | |
int | |
main(void) | |
{ | |
if (!isdigit('1')) | |
abort(); | |
if (isdigit('A')) | |
abort(); | |
if (!isdigit(str1())) | |
abort(); | |
if (isdigit(strA())) | |
abort(); | |
return 0; | |
} |