https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98067
--- Comment #2 from Iain Buclaw <ibuclaw at gdcproject dot org> --- Backtrace: 0xaf0ca2 force_decl_die ../../gcc/dwarf2out.c:26197 0xae7bd6 force_decl_die ../../gcc/dwarf2out.c:26142 0xae7bd6 dwarf2out_imported_module_or_decl_1 ../../gcc/dwarf2out.c:26809 0xb086a0 dwarf2out_imported_module_or_decl ../../gcc/dwarf2out.c:26895 0x9aabbe DeclVisitor::visit(Import*) ../../gcc/d/decl.cc:199 0x9a75af DeclVisitor::build_dsymbol(Dsymbol*) ../../gcc/d/decl.cc:145 0x9a75af build_decl_tree(Dsymbol*) ../../gcc/d/decl.cc:1015 0x9b9cc0 build_module_tree(Module*) ../../gcc/d/modules.cc:737 0x9aaa9b DeclVisitor::visit(Module*) ../../gcc/d/decl.cc:162 0x9a75af DeclVisitor::build_dsymbol(Dsymbol*) ../../gcc/d/decl.cc:145 0x9a75af build_decl_tree(Dsymbol*) ../../gcc/d/decl.cc:1015 0x9a4512 d_parse_file ../../gcc/d/d-lang.cc:1236 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions.