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From: "tnfchris at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/103523] [11/12 Regression] SVE float auto-vect float
 format expand failure
Date: Wed, 01 Dec 2021 21:19:47 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103523

--- Comment #1 from Tamar Christina <tnfchris at gcc dot gnu.org> ---
An additional ICE seen on a month old tree is

during GIMPLE pass: veclower2
zbuf.i: In function 'd':
zbuf.i:3:1: internal compiler error: in to_constant, at poly-int.h:504
0xbc9494 poly_int_pod<2u, unsigned long>::to_constant() const
        /buildAgent/src/gcc/gcc/poly-int.h:504
0x17c16af nunits_for_known_piecewise_op
        /buildAgent/src/gcc/gcc/tree-vect-generic.c:101
0x17c2377 expand_vector_piecewise
        /buildAgent/src/gcc/gcc/tree-vect-generic.c:315
0x17c75e5 expand_vector_operation
        /buildAgent/src/gcc/gcc/tree-vect-generic.c:1254
0x17cde8e expand_vector_operations_1
        /buildAgent/src/gcc/gcc/tree-vect-generic.c:2331
0x17ce083 expand_vector_operations
        /buildAgent/src/gcc/gcc/tree-vect-generic.c:2365
0x17ce25a execute
        /buildAgent/src/gcc/gcc/tree-vect-generic.c:2451

unsure if this was fixed or just hidden...=