[Bug tree-optimization/112281] [12/13/14 Regression] wrong code at -O3 on x86_64-linux-gnu since r12-2097-g9f34b780b0461e

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112281

Sam James <sjames at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[12/13/14 Regression] wrong |[12/13/14 Regression] wrong
                   |code at -O3 on              |code at -O3 on
                   |x86_64-linux-gnu            |x86_64-linux-gnu since
                   |                            |r12-2097-g9f34b780b0461e
                 CC|                            |rguenth at gcc dot gnu.org
           Keywords|needs-bisection             |

--- Comment #4 from Sam James <sjames at gcc dot gnu.org> ---
9f34b780b0461ec7b2b2defe96e44ab616ea2aa3 is the first bad commit
commit 9f34b780b0461ec7b2b2defe96e44ab616ea2aa3
Author: Richard Biener <rguent...@suse.de>
Date:   Wed Jul 7 11:41:03 2021 +0200

    tree-optimization/99728 - improve LIM for loops with aggregate copies

i.e. r12-2097-g9f34b780b0461e

That commit also came up in PR111554.