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From: "avieira at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/109543] Avoid using BLKmode for unions with a
 non-BLKmode member when possible
Date: Mon, 24 Apr 2023 10:12:17 +0000
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: missed-optimization
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109543

--- Comment #3 from avieira at gcc dot gnu.org ---
Err that should be 'double d[4];' so:
typedef struct=20
{
    float __attribute__ ((vector_size(16))) v[2];
} STRUCT;

#ifdef GOOD
typedef STRUCT TYPE;
#else
typedef union
{
    STRUCT s;
    double d[4];
} TYPE;
#endif=