Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/pr61240.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
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/* 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; }