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From: "anlauf at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/78746] charlen_03, charlen_10 ICE
Date: Wed, 13 Jan 2021 15:42:41 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D78746

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |WAITING

--- Comment #28 from anlauf at gcc dot gnu.org ---
(In reply to Dominique d'Humieres from comment #27)
> At revision r11-6550 my instrumented compiler gives:
>=20
> pr78746.f90:5:40:
>=20
>     5 |       character(:), allocatable :: x(n) ! { dg-error "must have a
> deferred shape" }
>       |                                        1
> Error: Allocatable component of structure at (1) must have a deferred sha=
pe
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =3D=3D33829=3D=3DERROR: AddressSanitizer: heap-use-after-free on address
> 0x604000000ee8 at pc 0x000100423feb bp 0x7ffeefbfe3b0 sp 0x7ffeefbfe3a8
> READ of size 8 at 0x604000000ee8 thread T0
> ...

There's no testcase named "pr78746.f90" in the testsuite.

Would you please open a new PR with enough information?=