[Bug c++/126828] [16/17 Regression] internal compiler error related to the Eigen library

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126828

--- Comment #1 from Drea Pinski <pinskia at gcc dot gnu.org> ---
[apinski@xeond2 upstream-gcc-git]$ ~/upstream-gcc/bin/gcc t.cc
In file included from /opt/compiler-explorer/libs/eigen/vtrunk/Eigen/Core:375,
                 from /opt/compiler-explorer/libs/eigen/vtrunk/Eigen/Dense:13,
                 from /opt/compiler-explorer/libs/eigen/vtrunk/Eigen/Eigen:13,
                 from /app/example.cpp:2:
/opt/compiler-explorer/libs/eigen/vtrunk/Eigen/src/Core/Matrix.h: In
substitution of ‘template<class Type, int Size> using Eigen::Vector =
Eigen::Matrix<Type, Size, 1> [with Type = float; int Size = ((int)blocksize)]’:
/app/example.cpp:12:30:   required from here
/opt/compiler-explorer/libs/eigen/vtrunk/Eigen/src/Core/Matrix.h:525:7:
internal compiler error: Segmentation fault
0x2dea47f internal_error(char const*, ...)
       
/home/apinski/src/upstream-gcc-git/gcc/gcc/diagnostic-global-context.cc:787
0x1675bcf crash_signal
        /home/apinski/src/upstream-gcc-git/gcc/gcc/toplev.cc:325
0xcf7140 tree_check(tree_node*, char const*, int, char const*, tree_code)
        /home/apinski/src/upstream-gcc-git/gcc/gcc/tree.h:3830
0xcf7140 mark_use(tree_node*, bool, bool, unsigned long, bool)
        /home/apinski/src/upstream-gcc-git/gcc/gcc/cp/expr.cc:179
0xbd4f09 convert_like_internal
        /home/apinski/src/upstream-gcc-git/gcc/gcc/cp/call.cc:8966
0xbd5337 convert_like_internal
        /home/apinski/src/upstream-gcc-git/gcc/gcc/cp/call.cc:9184
0xbd5337 convert_like_internal
        /home/apinski/src/upstream-gcc-git/gcc/gcc/cp/call.cc:9184
0xbe4589 convert_like
        /home/apinski/src/upstream-gcc-git/gcc/gcc/cp/call.cc:9520
0xbe4589 build_converted_constant_expr_internal
        /home/apinski/src/upstream-gcc-git/gcc/gcc/cp/call.cc:5073
0xe55fad convert_nontype_argument
        /home/apinski/src/upstream-gcc-git/gcc/gcc/cp/pt.cc:7827
0xe718dc convert_template_argument
        /home/apinski/src/upstream-gcc-git/gcc/gcc/cp/pt.cc:9204
0xe6f582 coerce_template_parms(tree_node*, tree_node*, tree_node*, int, bool)
        /home/apinski/src/upstream-gcc-git/gcc/gcc/cp/pt.cc:9691
0xe59aea lookup_template_class(tree_node*, tree_node*, tree_node*, tree_node*,
int)
        /home/apinski/src/upstream-gcc-git/gcc/gcc/cp/pt.cc:10533
0xe5bf33 tsubst(tree_node*, tree_node*, int, tree_node*)
        /home/apinski/src/upstream-gcc-git/gcc/gcc/cp/pt.cc:17355
0xe62987 tsubst_decl
        /home/apinski/src/upstream-gcc-git/gcc/gcc/cp/pt.cc:16408
0xe7a8de instantiate_template(tree_node*, tree_node*, int)
        /home/apinski/src/upstream-gcc-git/gcc/gcc/cp/pt.cc:23967
0xe7b023 instantiate_alias_template
        /home/apinski/src/upstream-gcc-git/gcc/gcc/cp/pt.cc:24067
0xe593dc instantiate_alias_template
        /home/apinski/src/upstream-gcc-git/gcc/gcc/cp/pt.cc:24048
0xe593dc lookup_template_class(tree_node*, tree_node*, tree_node*, tree_node*,
int)
        /home/apinski/src/upstream-gcc-git/gcc/gcc/cp/pt.cc:10496
0xec9ef9 finish_template_type(tree_node*, tree_node*, int)
        /home/apinski/src/upstream-gcc-git/gcc/gcc/cp/semantics.cc:4497
/home/apinski/upstream-gcc/libexec/gcc/x86_64-pc-linux-gnu/17.0.0/cc1plus
-quiet -D_GNU_SOURCE t.cc -quiet -dumpdir a- -dumpbase t.cc -dumpbase-ext .cc
-mtune=generic -march=x86-64 -o /tmp/cc7HmehD.s
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.