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Subject: [Bug ada/100564] [12 Regression] valgrind complaints on gnat1
Date: Wed, 12 May 2021 10:16:03 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100564

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

https://gcc.gnu.org/g:ac18ded230f1559f271f8d66121b2f16805f0b27

commit r12-744-gac18ded230f1559f271f8d66121b2f16805f0b27
Author: Bob Duff <duff@adacore.com>
Date:   Wed May 12 11:56:47 2021 +0200

    Fix uninitialized variable in Atree.Size_In_Slots

    Size_In_Slots uses the Nkind to look up the size in a table indexed
    by Nkind.  This patch fixes a couple of places where the Nkind is
    wrong (uninitialized or zeroed out) so Size_In_Slots cannot be used.

    gcc/ada/
            PR ada/100564
            * atree.adb (Change_Node): Do not call Zero_Slots on a Node_Id
            when the Nkind has not yet been set; call the other Zero_Slots
            that takes a range of slot offsets.  Call the new Mutate_Kind
            that takes an Old_Size, for the same reason -- the size cannot
            be computed without the Nkind.
            (Mutate_Nkind): New function that allows specifying the Old_Siz=
e.
            (Size_In_Slots): Assert that the Nkind has proper (nonzero) val=
ue.
            * atree.ads: Minor reformatting.=