https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70617
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
But it ICEs differently, so the reduction is bogus:
> ./cc1plus -quiet t.c -m32 -w
t.c:2:23: error: field ‘TYPES’ has incomplete type ‘UINT’
typedef struct { UINT TYPES } eType;
^
t.c:1:8: note: forward declaration of ‘struct UINT’
struct UINT;
^
t.c:2:23: error: expected ‘;’ at end of member declaration
typedef struct { UINT TYPES } eType;
^
t.c:3:10: error: ISO C++ forbids declaration of ‘fn1’ with no type
[-fpermissive]
fn1(eType) {
^
t.c: In function ‘int fn1(eType)’:
t.c:3:12: error: expected ‘}’ at end of input
fn1(eType) {
^
t.c:3:1: internal compiler error: Segmentation fault
fn1(eType) {
^
0xfa527c crash_signal
/space/rguenther/src/svn/gcc-5-branch/gcc/toplev.c:383
0x7056f3 tree_int_cst_elt_check(tree_node*, int, char const*, int, char const*)
/space/rguenther/src/svn/gcc-5-branch/gcc/tree.h:3050
0x1082419 chkp_find_bound_slots_1(tree_node const*, bitmap_head*, long)
/space/rguenther/src/svn/gcc-5-branch/gcc/tree-chkp.c:1699
0x1082708 chkp_find_bound_slots(tree_node const*, bitmap_head*)
/space/rguenther/src/svn/gcc-5-branch/gcc/tree-chkp.c:1730
0x107fe9a chkp_type_bounds_count(tree_node const*)
