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From: "aldyh at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug bootstrap/102527] [12 regression] out of memory compiling
 insn-emit.c
Date: Thu, 30 Sep 2021 06:22:41 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102527

--- Comment #12 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
(In reply to Aldy Hernandez from comment #11)
> This looks mighty suspicious ;-)
>=20
> diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c
> index 69a3ab0ea9d..c24c67f8874 100644
> --- a/gcc/tree-vrp.c
> +++ b/gcc/tree-vrp.c
> @@ -4408,6 +4408,7 @@ hybrid_threader::~hybrid_threader ()
>    delete m_threader;
>    delete m_state;
>    delete m_ranger;
> +  delete m_query;
>=20
>    scev_finalize ();
>    loop_optimizer_finalize ();

FWIW, all the patches so far proposed have been pushed to trunk, if you wan=
t to
try again.=