Mercurial > hg > CbC > CbC_gcc
annotate gcc/testsuite/g++.dg/ubsan/pr81281.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | |
children |
rev | line source |
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131 | 1 // PR sanitizer/81281 |
2 // { dg-do run } | |
3 // { dg-options "-fsanitize=undefined -fno-sanitize-recover=undefined" } | |
4 // { dg-additional-sources "pr81281-aux.cc" } | |
5 | |
6 extern const int ci; | |
7 extern int i; | |
8 extern long long ll; | |
9 | |
10 int | |
11 foo () | |
12 { | |
13 int a = (int) (-2024172551 - i - (ci - ll)) | |
14 - ((int) (-2024172551 - i - (ci - ll)) | |
15 - (int) (-2024172551 - (long long)ci)); | |
16 return a; | |
17 } | |
18 | |
19 int | |
20 main () | |
21 { | |
22 if (__SIZEOF_INT__ * __CHAR_BIT__ == 32 | |
23 && __SIZEOF_LONG_LONG__ * __CHAR_BIT__ == 64) | |
24 foo (); | |
25 return 0; | |
26 } |