[Bug ada/101970] [11/12 regression] ICE on 'Enum_Rep for the enum that filled its representation range

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101970

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Eric Botcazou
<ebotca...@gcc.gnu.org>:

https://gcc.gnu.org/g:40c0122a1c5c364346d2d1c96dce66aea2e5032c

commit r11-8991-g40c0122a1c5c364346d2d1c96dce66aea2e5032c
Author: Eric Botcazou <ebotca...@adacore.com>
Date:   Tue Sep 14 11:33:05 2021 +0200

    Fix PR ada/101970

    This is a regression present on the mainline and 11 branch in the form of
an
    ICE for an enumeration type with a full signed representation for its size.

    gcc/ada/
            PR ada/101970
            * exp_attr.adb (Expand_N_Attribute_Reference) <Attribute_Enum_Rep>:
            Use an unchecked conversion instead of a regular conversion in the
            enumeration case and remove Conversion_OK flag in the integer case.
            <Attribute_Pos>: Remove superfluous test.

    gcc/testsuite/
            * gnat.dg/enum_rep2.adb: New test.