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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/115143] [11/12 Regression] tree check:
 expected class 'type', have 'exceptional' (error_mark) in
 useless_type_conversion_p, at gimple-expr.cc:85
Date: Tue, 21 May 2024 14:36:14 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D115143

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |13.3.0
            Summary|[11/12/13 Regression] tree  |[11/12 Regression] tree
                   |check: expected class       |check: expected class
                   |'type', have 'exceptional'  |'type', have 'exceptional'
                   |(error_mark) in             |(error_mark) in
                   |useless_type_conversion_p,  |useless_type_conversion_p,
                   |at gimple-expr.cc:85        |at gimple-expr.cc:85
   Target Milestone|13.4                        |11.5
      Known to work|                            |13.3.1

--- Comment #16 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Fixed on the GCC 13 branch too. Backporting further requires removing the h=
unk
that handles diamond bbs as that was not in 12 or 11. I will handle that
tomorrow.=