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From: "glisse at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/66355] defining a constructor inhibits optimization
Date: Sat, 06 Jun 2015 08:19:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66355

--- Comment #2 from Marc Glisse <glisse at gcc dot gnu.org> ---
PR 65197 has links to a number of related PRs. The middle-end has no code to
handle the case where we detect "late" (i.e. not in the front-end) that the
initialization is constant.