https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104184
--- Comment #4 from Marc Glisse <glisse at gcc dot gnu.org> --- https://geometrica.saclay.inria.fr/team/Marc.Glisse/tmp/mybug.cc.xz (1.7M after compression still exceeds the limit) With -Wall -Wextra Internal compiler error: Error reporting routines re-entered. 0xec0348 xref_basetypes(tree_node*, tree_node*) ../../src/gcc/cp/decl.cc:15783 0x101d194 instantiate_class_template_1 ../../src/gcc/cp/pt.cc:11953 0x101ec31 instantiate_class_template(tree_node*) ../../src/gcc/cp/pt.cc:12311 0x10714d8 complete_type(tree_node*) ../../src/gcc/cp/typeck.cc:143 0xff0ad6 get_template_base ../../src/gcc/cp/pt.cc:23282 0xff2720 unify ../../src/gcc/cp/pt.cc:24348 0xff10d4 unify ../../src/gcc/cp/pt.cc:24499 0xfee75b unify_one_argument ../../src/gcc/cp/pt.cc:22472 0xfffd65 type_unification_real ../../src/gcc/cp/pt.cc:22595 0x1019da9 fn_type_unification(tree_node*, tree_node*, tree_node*, tree_node* const*, unsigned int, tree_node*, unification_kind_t, int, conversion**, bool, bool) ../../src/gcc/cp/pt.cc:21923 0xe146d9 add_template_candidate_real ../../src/gcc/cp/call.cc:3544 0xe15633 add_template_candidate ../../src/gcc/cp/call.cc:3632 0xe15633 add_candidates ../../src/gcc/cp/call.cc:6165 0xe1c362 add_candidates ../../src/gcc/cp/call.cc:6051 0xe1c362 build_new_method_call(tree_node*, tree_node*, vec<tree_node*, va_gc, vl_embed>**, tree_node*, int, tree_node**, int) ../../src/gcc/cp/call.cc:11012 0x1039e3d finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, bool, int) ../../src/gcc/cp/semantics.cc:2788 0xfe96d4 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool) ../../src/gcc/cp/pt.cc:20780 0xff5e8c tsubst(tree_node*, tree_node*, int, tree_node*) ../../src/gcc/cp/pt.cc:16162 0x100494e tsubst_template_args(tree_node*, tree_node*, int, tree_node*) ../../src/gcc/cp/pt.cc:13423 0xff635e tsubst(tree_node*, tree_node*, int, tree_node*) ../../src/gcc/cp/pt.cc:15461
