Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/pr61240.c @ 158:494b0b89df80 default tip
...
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
---|---|
date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 84e7813d76e9 |
children |
line wrap: on
line source
/* PR c/61240 */ /* { dg-do compile } */ typedef __PTRDIFF_TYPE__ ptrdiff_t; ptrdiff_t foo (ptrdiff_t a[4]) { int i[4]; int *p = i + 2; static ptrdiff_t b = p - (p - 1); /* { dg-bogus "integer overflow in expression" } */ static ptrdiff_t c = (p - 1) - p; /* { dg-bogus "integer overflow in expression" } */ static ptrdiff_t d = (p - 2) - (p - 1);/* { dg-bogus "integer overflow in expression" } */ static ptrdiff_t e = (p - 1) - (p - 2);/* { dg-bogus "integer overflow in expression" } */ a[0] = p - (p - 1); /* { dg-bogus "integer overflow in expression" } */ a[1] = (p - 1) - p; /* { dg-bogus "integer overflow in expression" } */ a[2] = (p - 2) - (p - 1); /* { dg-bogus "integer overflow in expression" } */ a[3] = (p - 1) - (p - 2); /* { dg-bogus "integer overflow in expression" } */ return b + c + d + e; }