Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/charset/builtin1.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* 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; }