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[Bug tree-optimization/65027] failure to emit diagnostic when optimizing using undefined behaviour
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 12 Feb 2015 13:34:07 +0000
- Subject: [Bug tree-optimization/65027] failure to emit diagnostic when optimizing using undefined behaviour
- Auto-submitted: auto-generated
- References: <bug-65027-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65027
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-02-12
Ever confirmed|0 |1
Known to fail| |4.8.4
Severity|normal |enhancement
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
We're doing
Removed pointless exit: if (i_1 <= 29)
during early complete unrolling (but don't unroll). Since 4.8 at least.
Confirmed.