https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107191
--- Comment #2 from Bruce Adams <tortoise_74 at yahoo dot co.uk> ---
Also tried with gcc 12.1
>g++-12 --version
g++-12 (Ubuntu 12.1.0-2ubuntu1~22.04) 12.1.0
```
/usr/bin/g++-12 -fmodules-ts -std=gnu++20 -MD -MT
CMakeFiles/gccice.dir/Foo.cpp.o -MF CMakeFiles/gccice.dir/Foo.cpp.o.d -o
CMakeFiles/gccice.dir/Foo.cpp.o -c /home/brucea/projects/jobs/gccice/Foo.cpp
/home/brucea/projects/jobs/gccice/Foo.cpp:2:8: internal compiler error: in
tree_node, at cp/module.cc:9078
2 | export module Foo;
| ^~~~~~
0x65fabd trees_out::tree_node(tree_node*)
../../src/gcc/cp/module.cc:9078
0x78a72b trees_out::core_vals(tree_node*)
../../src/gcc/cp/module.cc:5922
0x78e3bf trees_out::tree_node_vals(tree_node*)
../../src/gcc/cp/module.cc:7072
0x78e3bf trees_out::tree_value(tree_node*)
../../src/gcc/cp/module.cc:8909
0x787354 trees_out::tree_node(tree_node*)
../../src/gcc/cp/module.cc:9107
0x78a72b trees_out::core_vals(tree_node*)
```
