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Subject: [Bug analyzer/99212] [11 Regression] gcc.dg/analyzer/data-model-1.c
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Date: Fri, 09 Apr 2021 23:11:49 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99212

--- Comment #9 from Hans-Peter Nilsson <hp at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #8)
> xfail/pass depending on sizeof (int) might be possible but as said it mig=
ht
> be that cris doesn't have sizeof (int) =3D=3D 1

You meant something else here than what you wrote.  If you meant (effective=
ly)
sizeof (int) =3D=3D 4, then "every port" has INT_TYPE_SIZE 32 (bits), inclu=
ding
those mentioned in this PR.

> but instead just lays out
> struct ubits in a way to have its size being 1.

It's true that sizeof (struct ubits) =3D=3D 1 (byte) for cris-elf.

FWIW, I don't know what it is that pru-elf, cris-elf and m68k-linux have in
common that matters here.  First I was dead sure it was they got "#define
PCC_BITFIELD_TYPE_MATTERS false" but that doesn't seem to grep to true for
pru-elf.  cris-elf and m68k include config/elfos.h then #undef
PCC_BITFIELD_TYPE_MATTERS, so you get the quoted defaults.h line, but pru
doesn't have the #undef.=