Mercurial > hg > CbC > CbC_gcc
diff 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 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/g++.dg/ubsan/pr81281.C Thu Oct 25 07:37:49 2018 +0900 @@ -0,0 +1,26 @@ +// PR sanitizer/81281 +// { dg-do run } +// { dg-options "-fsanitize=undefined -fno-sanitize-recover=undefined" } +// { dg-additional-sources "pr81281-aux.cc" } + +extern const int ci; +extern int i; +extern long long ll; + +int +foo () +{ + int a = (int) (-2024172551 - i - (ci - ll)) + - ((int) (-2024172551 - i - (ci - ll)) + - (int) (-2024172551 - (long long)ci)); + return a; +} + +int +main () +{ + if (__SIZEOF_INT__ * __CHAR_BIT__ == 32 + && __SIZEOF_LONG_LONG__ * __CHAR_BIT__ == 64) + foo (); + return 0; +}