https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101748
Bug ID: 101748
Summary: ICE: tree check: expected record_type or union_type or
qual_union_type, have vector_type in digest_init_r, at
cp/typeck2.c:1206
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-invalid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
CC: acoplan at gcc dot gnu.org
Target Milestone: ---
Target: aarch64-linux-gnu
g++-12.0.0-alpha20210801 snapshot (g:6f0c43e97825ee54e3779afbedcd0def12443001),
g++ 11.1, g++ 10.3 all ICE when compiling the following testcase, reduced from
test/SemaCXX/sizeless-1.cpp from the clang 12.0.0 test suite:
void cxx_only() {
__SVInt8_t bad_brace_init_int8_5{{__SVInt8_t()}};
}
% aarch64-linux-gnu-g++-12.0.0 -c s4yu6ufy.cpp
s4yu6ufy.cpp: In function 'void cxx_only()':
s4yu6ufy.cpp:2:50: internal compiler error: tree check: expected record_type or
union_type or qual_union_type, have vector_type in digest_init_r, at
cp/typeck2.c:1206
2 | __SVInt8_t bad_brace_init_int8_5{{__SVInt8_t()}};
| ^
0x8e7638 tree_check_failed(tree_node const*, char const*, int, char const*,
...)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/tree.c:8686
0x794630 tree_check3(tree_node*, char const*, int, char const*, tree_code,
tree_code, tree_code)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/tree.h:3413
0x794630 digest_init_r
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cp/typeck2.c:1206
0xc508fd store_init_value(tree_node*, tree_node*, vec<tree_node*, va_gc,
vl_embed>**, int)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cp/typeck2.c:742
0xa55f07 check_initializer
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cp/decl.c:7185
0xa7d9aa cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cp/decl.c:8119
0xb70b67 cp_parser_init_declarator
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cp/parser.c:22344
0xb4aeed cp_parser_simple_declaration
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cp/parser.c:14887
0xb4d09d cp_parser_declaration_statement
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cp/parser.c:13987
0xb4d87a cp_parser_statement
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cp/parser.c:12117
0xb4e82e cp_parser_statement_seq_opt
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cp/parser.c:12484
0xb4e920 cp_parser_compound_statement
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cp/parser.c:12433
0xb6de8f cp_parser_function_body
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cp/parser.c:24534
0xb6de8f cp_parser_ctor_initializer_opt_and_function_body
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cp/parser.c:24585
0xb6fbfa cp_parser_function_definition_after_declarator
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cp/parser.c:30658
0xb710cd cp_parser_function_definition_from_specifiers_and_declarator
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cp/parser.c:30574
0xb710cd cp_parser_init_declarator
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cp/parser.c:22106
0xb4aeed cp_parser_simple_declaration
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cp/parser.c:14887
0xb7bfe0 cp_parser_declaration
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cp/parser.c:14592
0xb7caa3 cp_parser_toplevel_declaration
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cp/parser.c:14613
Removing the extraneous braces around __SVInt8_t initializer yields PR99867,
though.
