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From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/94717] [10 Regression] segfault with -O2
 -fnon-call-exceptions -ftracer
Date: Thu, 23 Apr 2020 13:02:31 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94717

--- Comment #5 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> Shouldn't that be done in try_coalesce_bswap instead?
> Because checking lp_nr above will only make sure it is the same between
> merged_store and the first store after it, but we are trying to coalesce
> often more than that.
> By checking it in try_coalesce_bswap, in the first loop in that function,=
 it
> will verify all stores.

OK, I didn't realize that try_coalesce_bswap has its own private loop.  But
this can be done in both places, like the check on ins_stmt.=