[Bug middle-end/114464] New: [14 regression] ICE when building tdscpp-20240212

["sjames at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114464

            Bug ID: 114464
           Summary: [14 regression] ICE when building tdscpp-20240212
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: sjames at gcc dot gnu.org
  Target Milestone: ---

Created attachment 57808
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57808&action=edit
bcp.cpp.ii.xz

```
$ g++ -c bcp.cpp.ii -O2 -std=gnu++23
/var/tmp/portage/dev-db/tdscpp-20240212/work/tdscpp-20240212/src/bcp.cpp: In
function ‘void tds::bcp_row_data(uint8_t*&, const col_info&, const value&,
std::u16string_view)’:
/var/tmp/portage/dev-db/tdscpp-20240212/work/tdscpp-20240212/src/bcp.cpp:578:10:
error: incompatible types in ‘PHI’ argument 0
  578 |     void bcp_row_data(uint8_t*& ptr, const col_info& col, const value&
vv, u16string_view col_name) {
      |          ^~~~~~~~~~~~
vector(16) unsigned char

vector(16) <signed-boolean:8>

vect_vec_recur_.4107_221 = PHI <mask_b_306.4112_2569(835), { 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }(831)>
/var/tmp/portage/dev-db/tdscpp-20240212/work/tdscpp-20240212/src/bcp.cpp:578:10:
error: type mismatch in ‘vec_perm_expr’
vector(16) unsigned char
vector(16) unsigned char
vector(16) <signed-boolean:8>
vector(16) ssizetype
_2739 = VEC_PERM_EXPR <vect_vec_recur_.4107_221, mask_b_306.4112_2569, { 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30 }>;
during GIMPLE pass: vect
/var/tmp/portage/dev-db/tdscpp-20240212/work/tdscpp-20240212/src/bcp.cpp:578:10:
internal compiler error: verify_gimple failed
0x558d86f1abae verify_gimple_in_cfg(function*, bool, bool)
       
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/tree-cfg.cc:5663
0x558d886683f4 execute_function_todo
        /usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/passes.cc:2088
0x558d886683f4 do_per_function
        /usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/passes.cc:1687
0x558d886683f4 execute_todo
        /usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/passes.cc:2142
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://bugs.gentoo.org/> for instructions.
```