https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103329
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
In the -fdump-tree-original=/dev/null case we have extra
<1><107>: Abbrev Number: 3 (DW_TAG_structure_type)
<108> DW_AT_name : (indirect string, offset: 0xb8):
__is_integer<int>
<10c> DW_AT_byte_size : 1
<10c> DW_AT_decl_file : 1
<10c> DW_AT_decl_line : 2
<10d> DW_AT_decl_column : 8
<10e> DW_AT_sibling : <0x124>
<2><112>: Abbrev Number: 22 (DW_TAG_enumeration_type)
<113> DW_AT_encoding : 7 (unsigned)
<114> DW_AT_byte_size : 4
<115> DW_AT_type : <0x57>
<119> DW_AT_decl_file : 1
<11a> DW_AT_decl_line : 3
<11b> DW_AT_decl_column : 8
<3><11c>: Abbrev Number: 23 (DW_TAG_enumerator)
<11d> DW_AT_name : (indirect string, offset: 0x24a): __value
<121> DW_AT_const_value : 0
<3><122>: Abbrev Number: 0
<2><123>: Abbrev Number: 0