[Bug c++/112269] [14 Regression] x86_64 GNU/Linux '-m32' multilib 'libstdc++-v3/include/complex:1493: internal compiler error: in tsubst_expr, at cp/pt.cc:21534' since r14-4796-g3e3d73ed5e85e7

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112269

--- Comment #9 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Patrick Palka from comment #5)
> I can't reproduce any of these testsuite failures on trunk with x86_64
> -m32... could you provide a preprocessed source file perhaps?

The libstdc++ testsuite shows lots of failures with -m32 -std=c++20

e.g.

FAIL: 23_containers/vector/48101-2_neg.cc  -std=c++20  (test for errors, line )
FAIL: 23_containers/vector/48101-2_neg.cc  -std=c++20 (test for excess errors)
Excess errors:
/tmp/build/x86_64-pc-linux-gnu/32/libstdc++-v3/include/complex:1493: internal
compiler error: in tsubst_expr, at cp/pt.cc:21534
0x78b9fb tsubst_expr(tree_node*, tree_node*, int, tree_node*)
        /home/test/src/gcc/gcc/cp/pt.cc:21534