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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/106922] [12/13 Regression] Bogus
 uninitialized warning on boost::optional<<std::vector<std::string>>>, missed
 FRE
Date: Thu, 15 Sep 2022 08:41:55 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106922

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 53576
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D53576&action=3Dedit
testcase for missed PRE

here's a reduction that works around r12-3918-g5b8b1522e04adc but not on the
tip of the GCC 12 branch or trunk.  I'm going to reduce another for current
trunk.=