https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57821
--- Comment #11 from John David Anglin <danglin at gcc dot gnu.org> --- Backtrace at ICE: Breakpoint 1, _Z12tree_to_uhwiPK9tree_node (t=0x7ae68b58) at ../../gcc/gcc/tree.c:7024 7024 gcc_assert (tree_fits_uhwi_p (t)); (gdb) p debug_tree (t) <integer_cst 7ae68b58 type <integer_type 7adf6060 bitsizetype> constant 0x8000000000000000> $1 = 10 (gdb) bt #0 _Z12tree_to_uhwiPK9tree_node (t=0x7ae68b58) at ../../gcc/gcc/tree.c:7024 #1 0x000a3a20 in _Z20process_init_element6c_exprbP7obstack (value=..., implicit=false, braced_init_obstack=0x7eff0b54) at ../../gcc/gcc/c/c-typeck.c:8829 #2 0x000bd170 in _ZL16c_parser_initvalP8c_parserP6c_exprP7obstack ( parser=0x7ae45708, after=0x0, braced_init_obstack=0x7eff0b54) at ../../gcc/gcc/c/c-parser.c:4377 #3 0x000bcfc8 in _ZL16c_parser_initeltP8c_parserP7obstack ( parser=0x7ae45708, braced_init_obstack=0x7eff0b54) at ../../gcc/gcc/c/c-parser.c:4351 #4 0x000bc724 in _ZL20c_parser_braced_initP8c_parserP9tree_nodeb ( parser=0x7ae45708, type=0x0, nested_p=false) at ../../gcc/gcc/c/c-parser.c:4133 #5 0x000bc4ec in _ZL20c_parser_initializerP8c_parser (parser=0x7ae45708) at ../../gcc/gcc/c/c-parser.c:4091 #6 0x000b734c in _ZL29c_parser_declaration_or_fndefP8c_parserbbbbbPP9tree_node3vecI7c_token7va_heap6vl_ptrE (parser=0x7ae45708, fndef_ok=false, static_assert_ok=true, empty_ok=true, nested=false, start_attr_ok=true, objc_foreach_object_declaration=0x0, omp_declare_simd_clauses=...) at ../../gcc/gcc/c/c-parser.c:1759 #7 0x000b661c in _ZL29c_parser_external_declarationP8c_parser ( parser=0x7ae45708) at ../../gcc/gcc/c/c-parser.c:1399 #8 0x000b5f58 in _ZL25c_parser_translation_unitP8c_parser (parser=0x7ae45708) ---Type <return> to continue, or q <return> to quit--- at ../../gcc/gcc/c/c-parser.c:1286 #9 0x000d9228 in _Z12c_parse_filev () at ../../gcc/gcc/c/c-parser.c:14049 #10 0x00150588 in _Z19c_common_parse_filev () at ../../gcc/gcc/c-family/c-opts.c:1067 #11 0x00906170 in _ZL12compile_filev () at ../../gcc/gcc/toplev.c:548 #12 0x00909be4 in _ZL10do_compilev () at ../../gcc/gcc/toplev.c:1917 #13 0x00909ef8 in _Z11toplev_mainiPPc (argc=14, argv=0x7eff057c) at ../../gcc/gcc/toplev.c:1993 #14 0x00d2357c in main (argc=14, argv=0x7eff057c) at ../../gcc/gcc/main.c:36