Mercurial > hg > CbC > CbC_gcc

comparison gcc/testsuite/gcc.dg/Wstrict-overflow-11.c @ 111:04ced10e8804

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children
comparison
equal deleted inserted replaced
68:561a7518be6b 111:04ced10e8804
1 /* { dg-do compile } */
2 /* { dg-options "-fstrict-overflow -O2 -Wstrict-overflow=1" } */
3
4 /* Based on strict-overflow-5.c. */
5
6 /* We can only unroll when using strict overflow semantics. But we
7 don't issue a warning for relying on undefined overflow in
8 loops. */
9
10 int foo (int i)
11 {
12 int index;
13 int r=0;
14
15 for (index = i; index <= i+4; index+=2)
16 r++;
17
18 return r;
19 }