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[Bug lto/82027] [5/6/7/8 Regression] wrong code with -O3 -flto
- From: "glisse at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 29 Aug 2017 19:53:15 +0000
- Subject: [Bug lto/82027] [5/6/7/8 Regression] wrong code with -O3 -flto
- Auto-submitted: auto-generated
- References: <bug-82027-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82027
Marc Glisse <glisse at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2017-08-29
Summary|wrong code with -O3 -flto |[5/6/7/8 Regression] wrong
| |code with -O3 -flto
Ever confirmed|0 |1
--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> ---
gcc mistakenly thinks it found some UB (division by zero) and inserts a trap.