https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84453
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
On x86_64-linux-gnu:
$ cat /tmp/ice.ii
struct a {
void b(long() __attribute__((fastcall))) {}
};
$ g++ ice.ii -m32 -c --param ggc-min-expand=0 --param ggc-min-heapsize=0
ice.ii:2:8: internal compiler error: in build_type_attribute_qual_variant, at
attribs.c:1166
void b(long() __attribute__((fastcall))) {}
^
0x8800a5 build_type_attribute_qual_variant(tree_node*, tree_node*, int)
../../gcc/attribs.c:1166
0x83c94d cp_build_type_attribute_variant(tree_node*, tree_node*)
../../gcc/cp/tree.c:4628
0x718c28 write_type
../../gcc/cp/mangle.c:2118
0x717b46 write_type
../../gcc/cp/mangle.c:2303
0x71a564 write_method_parms
../../gcc/cp/mangle.c:2796
0x71a846 write_bare_function_type
../../gcc/cp/mangle.c:2732
0x72238c mangle_decl_string
../../gcc/cp/mangle.c:3792
0x7226f3 get_mangled_id
../../gcc/cp/mangle.c:3814
0x7226f3 mangle_decl(tree_node*)
../../gcc/cp/mangle.c:3852
0x10992f2 decl_assembler_name(tree_node*)
../../gcc/tree.c:687
0x99791f symtab_node::get_comdat_group_id()
../../gcc/cgraph.h:215
0x99791f analyze_functions
../../gcc/cgraphunit.c:1081
0x999282 symbol_table::finalize_compilation_unit()
../../gcc/cgraphunit.c:2691
