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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/113407] [11/12/13/14 Regression] internal_error with const
 char* as non-type template parameter with index parameter pack in fold
 expression
Date: Mon, 15 Jan 2024 20:33:20 +0000
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X-Bugzilla-Product: gcc
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X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: error-recovery, ice-checking, ice-on-invalid-code
X-Bugzilla-Severity: trivial
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113407

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2024-01-15
      Known to work|                            |11.1.0
      Known to fail|                            |11.2.0
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
           Severity|normal                      |trivial
            Summary|internal_error with const   |[11/12/13/14 Regression]
                   |char* as non-type template  |internal_error with const
                   |parameter with index        |char* as non-type template
                   |parameter pack in fold      |parameter with index
                   |expression                  |parameter pack in fold
                   |                            |expression
   Target Milestone|---                         |11.5

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed.

Looks like the code which crashes:
      PACK_EXPANSION_LOCAL_P (result) =3D PACK_EXPANSION_LOCAL_P (t);
      PACK_EXPANSION_SIZEOF_P (result) =3D PACK_EXPANSION_SIZEOF_P (t);

was added with  r12-701-ge7a9f085ffd34b0d7bc4b803c182b41 .

Note GCC 12+/11.2.0 will crash too if checking is enabled.=