This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/81705] UBSAN: yet another false positive
- From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 04 Aug 2017 07:36:38 +0000
- Subject: [Bug tree-optimization/81705] UBSAN: yet another false positive
- Auto-submitted: auto-generated
- References: <bug-81705-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81705
--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
I don't see this with g++-7 which has
(void) (a = (-516151698 - NON_LVALUE_EXPR <var_4>) - -NON_LVALUE_EXPR <var_14>)
trunks produces
(void) (a = -516151698 - (-NON_LVALUE_EXPR <var_14> + NON_LVALUE_EXPR <var_4>))