[Bug target/67946] Function multiversioning ICE

["ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67946

--- Comment #1 from Uroš Bizjak <ubizjak at gmail dot com> ---
You should compile this with -mavx, otherwise x, y and z global variables get
expanded in BLKmode. So, we get:

(gdb) p code
$1 = PLUS_EXPR
(gdb) p op0
$2 = (rtx) 0x2aaab05a4918
(gdb) p debug_rtx (op0)
(mem/c:BLK (symbol_ref:DI ("z") [flags 0x2] <var_decl 0x2aaab058da20 z>) [1 z+0
S32 A256])
$3 = void
(gdb) p debug_rtx (op1)
(mem/c:BLK (symbol_ref:DI ("y") [flags 0x2] <var_decl 0x2aaab058d990 y>) [1 y+0
S32 A256])
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From: "gerhard.steinmetz.fortran@t-online.de" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/67938] ICE on using assumed rank character with some intrinsics
Date: Tue, 13 Oct 2015 07:48:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idg938

--- Comment #2 from Gerhard Steinmetz <gerhard.steinmetz.fortran@t-online.de> ---
As meanwhile noticed, example z1.f90 from comment #1 overlaps with PR66833.
Examples z2.f90 (comment #0) and z1s.f90 are describing additional effects.