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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/107956] [12/13 Regression] ICE: SIGSEGV in
 contains_struct_check (tree.h:3641) with -fsanitize=float-cast-overflow
 -ftree-slp-vectorize -fexceptions
Date: Sun, 04 Dec 2022 19:29:44 +0000
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X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 13.0
X-Bugzilla-Keywords: ice-on-valid-code
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107956

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This should fix it:
diff --git a/gcc/tree-vect-patterns.cc b/gcc/tree-vect-patterns.cc
index f6c34bb3263..d9fdb24ee62 100644
--- a/gcc/tree-vect-patterns.cc
+++ b/gcc/tree-vect-patterns.cc
@@ -4964,6 +4964,8 @@ vect_recog_mask_conversion_pattern (vec_info *vinfo,
       else
        {
          lhs =3D gimple_call_lhs (last_stmt);
+         if (!lhs)
+           return NULL;
          vectype1 =3D get_vectype_for_scalar_type (vinfo, TREE_TYPE (lhs));
        }

Though I think it has been a latent bug since r9-1741-g2c58d42c3ed599 reall=
y.=