[Bug middle-end/65855] SCEV / SCCP missing optimization: triangular numbers

[roger at nextmovesoftware dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65855

Roger Sayle <roger at nextmovesoftware dot com> changed:

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                 CC|                            |roger at nextmovesoftware dot com

--- Comment #15 from Roger Sayle <roger at nextmovesoftware dot com> ---
For the record, I proposed a patch for PR65855 back in 2022,
https://gcc.gnu.org/pipermail/gcc-patches/2022-February/590579.html
but this solution needed some refinement, and wasn't suitable given
the stage back then.