[Bug c++/77373] __attribute__((vector_size(N))) fails on AIX

[dje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77373

--- Comment #4 from David Edelsohn <dje at gcc dot gnu.org> ---
 <constructor 7010b0c0
    type <record_type 700fc0c0 D sizes-gimplified type_5 type_6 BLK
        size <integer_cst 70012d68 constant 256>
        unit size <integer_cst 7010a888 constant 32>
        align 256 symtab 0 alias set -1 canonical type 700fc0c0
        fields <field_decl 700fb630 v type <vector_type 700fc180>
            used nonlocal decl_3 BLK file
/gsa/yktgsa/home/e/d/edelsohn/src/src/gcc/testsuite/g++.dg/ext/vector32.C line
5 col 55 size <integer_cst 70012d68 256> unit size <integer_cst 7010a888 32>
            align 256 offset_align 128
            offset <integer_cst 700123d8 constant 0>
            bit offset <integer_cst 70012438 constant 0> context <record_type
700fc0c0 D> chain <type_decl 700fb5d8 D>> context <translation_unit_decl
7000f1b0 D.1>
        full-name "struct D<8>"
        X() X(constX&) this=(X&) n_parents=0 use_template=1 interface-unknown
        pointer_to_this <pointer_type 700fc1e0> reference_to_this
<reference_type 700fcde0> chain <type_decl 700fb528 D>>
    constant static lngt 1
    idx <field_decl 700fb630 v
        type <vector_type 700fc180 type <integer_type 700003c0 int>
            sizes-gimplified BLK size <integer_cst 70012d68 256> unit size
<integer_cst 7010a888 32>
            align 256 symtab 0 alias set -1 canonical type 700fc180 nunits 8>
        used nonlocal decl_3 BLK file
/gsa/yktgsa/home/e/d/edelsohn/src/src/gcc/testsuite/g++.dg/ext/vector32.C line
5 col 55 size <integer_cst 70012d68 256> unit size <integer_cst 7010a888 32>
        align 256 offset_align 128 offset <integer_cst 700123d8 0> bit offset
<integer_cst 70012438 0> context <record_type 700fc0c0 D>
        chain <type_decl 700fb5d8 D type <record_type 700fc120 D>
            external nonlocal suppress-debug decl_4 VOID file
/gsa/yktgsa/home/e/d/edelsohn/src/src/gcc/testsuite/g++.dg/ext/vector32.C line
4 col 10
            align 8 context <record_type 700fc0c0 D> result <record_type
700fc0c0 D>
           >>
    val <vector_cst 70019330 type <vector_type 700fc180>
        constant
        elt0:  <integer_cst 700127b0 constant 0>
        elt1:  <integer_cst 700127c8 constant 1>
        elt2:  <integer_cst 7002e570 constant 2>
        elt3:  <integer_cst 700127e0 constant 3>
        elt4:  <integer_cst 7002e5b8 constant 4>
        elt5:  <integer_cst 7002e5e8 constant 5>
        elt6:  <integer_cst 7002e618 constant 6>
        elt7:  <integer_cst 701068b8 constant 7>>>