https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112427
Bug ID: 112427
Summary: [14 regression] ICE when buliding Minetest (internal
compiler error: tree check: expected tree that
contains ‘decl common’ structure, have
‘identifier_node’ in get_inner_reference, at
expr.cc:7931)
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: sjames at gcc dot gnu.org
Target Milestone: ---
Created attachment 56525
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56525&action=edit
mesh.cpp.ii.xz
Initially reported downstream by Toralf Förster in Gentoo at
https://bugs.gentoo.org/916997.
```
/var/tmp/portage/games-action/minetest-5.7.0-r2/work/minetest-5.7.0/src/client/mesh.cpp:
In lambda function:
/var/tmp/portage/games-action/minetest-5.7.0-r2/work/minetest-5.7.0/src/client/mesh.cpp:275:40:
internal compiler error: tree check: expected tree that contains ‘decl common’
structure, have ‘identifier_node’ in get_inner_reference, at expr.cc:7931
275 | float u = vertex->Pos.*U;
| ^
0x5580b4a13090 tree_contains_struct_check_failed(tree_node const*,
tree_node_structure_enum, char const*, int, char const*)
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/tree.cc:9123
0x5580b393af18 contains_struct_check(tree_node*, tree_node_structure_enum, char
const*, int, char const*)
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/tree.h:3744
0x5580b393af18 get_inner_reference(tree_node*, poly_int<1u, long>*,
poly_int<1u, long>*, tree_node**, machine_mode*, int*, int*, int*)
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/expr.cc:7931
0x5580b52b06c4 fold_unary_loc(unsigned int, tree_code, tree_node*, tree_node*)
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/fold-const.cc:9498
0x5580b51ea660 fold_build1_loc(unsigned int, tree_code, tree_node*, tree_node*)
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/fold-const.cc:14022
0x5580b51ea660 fold_convert_loc(unsigned int, tree_node*, tree_node*)
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/fold-const.cc:2597
0x5580b42fb5f2 build_m_component_ref(tree_node*, tree_node*, int)
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/cp/typeck2.cc:2381
0x5580b3c253f8 build_x_binary_op(op_location_t const&, tree_code, tree_node*,
tree_code, tree_node*, tree_code, tree_node*, tree_node**, int)
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/cp/typeck.cc:4716
0x5580b539821c cp_parser_binary_expression
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/cp/parser.cc:10434
0x5580b5396f18 cp_parser_assignment_expression
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/cp/parser.cc:10595
0x5580b53beb63 cp_parser_constant_expression
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/cp/parser.cc:10885
0x5580b53beb63 cp_parser_initializer_clause
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/cp/parser.cc:25746
0x5580b53beb63 cp_parser_initializer
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/cp/parser.cc:25685
0x5580b52f0e70 cp_parser_init_declarator
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/cp/parser.cc:23255
0x5580b52dfe4d cp_parser_simple_declaration
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/cp/parser.cc:15649
0x5580b5453e0f cp_parser_declaration_statement
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/cp/parser.cc:14730
0x5580b538bd4a cp_parser_statement
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/cp/parser.cc:12686
0x5580b5387af5 cp_parser_statement_seq_opt
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/cp/parser.cc:13210
0x5580b5387af5 cp_parser_compound_statement
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/cp/parser.cc:13064
0x5580b539e9bf cp_parser_function_body
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231105/gcc-14-20231105/gcc/cp/parser.cc:25589
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://bugs.gentoo.org/> for instructions.
```
