https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84940
Bug ID: 84940 Summary: internal compiler error: in build_value_init_noctor, at cp/init.c:465 Product: gcc Version: 8.0.1 Status: UNCONFIRMED Keywords: ice-on-invalid-code Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: vegard.nossum at gmail dot com CC: webrown.cpp at gmail dot com Target Milestone: --- Input: int b; void c() { struct { } a[__builtin_constant_p(0)][b](-a[0]) } Output: $ cc1plus void c() <stdin>:4:39: error: wrong type argument to unary minus <stdin>:4:39: internal compiler error: in build_value_init_noctor, at cp/init.c:465 0xcf8133 build_value_init_noctor(tree_node*, int) /home/vegard/git/gcc/gcc/cp/init.c:465 0xcf8474 build_value_init(tree_node*, int) /home/vegard/git/gcc/gcc/cp/init.c:378 0xa429f6 cxx_eval_array_reference /home/vegard/git/gcc/gcc/cp/constexpr.c:2472 0xa2f3d0 cxx_eval_constant_expression /home/vegard/git/gcc/gcc/cp/constexpr.c:4475 0xa4996a cxx_eval_outermost_constant_expr /home/vegard/git/gcc/gcc/cp/constexpr.c:4832 0xa57256 maybe_constant_value(tree_node*, tree_node*) /home/vegard/git/gcc/gcc/cp/constexpr.c:5049 0xab6bea cp_fully_fold(tree_node*) /home/vegard/git/gcc/gcc/cp/cp-gimplify.c:2041 0x1273a47 finish_unary_op_expr(unsigned int, tree_code, cp_expr, int) /home/vegard/git/gcc/gcc/cp/semantics.c:2679 0xf2a14f cp_parser_unary_expression /home/vegard/git/gcc/gcc/cp/parser.c:8303 0xebfeca cp_parser_cast_expression /home/vegard/git/gcc/gcc/cp/parser.c:9090 0xec24f6 cp_parser_binary_expression /home/vegard/git/gcc/gcc/cp/parser.c:9191 0xec62ca cp_parser_assignment_expression /home/vegard/git/gcc/gcc/cp/parser.c:9486 0xecc0a3 cp_parser_constant_expression /home/vegard/git/gcc/gcc/cp/parser.c:9770 0xed376b cp_parser_parenthesized_expression_list /home/vegard/git/gcc/gcc/cp/parser.c:7758 0xedc2bc cp_parser_initializer /home/vegard/git/gcc/gcc/cp/parser.c:21864 0xfa0f3d cp_parser_init_declarator /home/vegard/git/gcc/gcc/cp/parser.c:19677 0xfa57a7 cp_parser_simple_declaration /home/vegard/git/gcc/gcc/cp/parser.c:13065 0xfab998 cp_parser_block_declaration /home/vegard/git/gcc/gcc/cp/parser.c:12883 0xfade64 cp_parser_declaration_statement /home/vegard/git/gcc/gcc/cp/parser.c:12476 0xefab2b cp_parser_statement /home/vegard/git/gcc/gcc/cp/parser.c:10925 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. Version: GNU C++14 (GCC) version 8.0.1 20180306 (experimental) (x86_64-pc-linux-gnu) Possibly related to bug #80812?