https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122730
Bug ID: 122730
Summary: ICE when statement expression in member initializer
list introduces variable
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: llvm at rifkin dot dev
Target Milestone: ---
This ICEs gcc:
struct a {
int b;
constexpr a() : b{({
int c{};
1;
})} {}
};
<source>: In constructor 'constexpr a::a()':
<source>:6:10: internal compiler error: in bot_manip, at cp/tree.cc:3280
6 | })} {}
| ^
0x2910608 diagnostics::context::diagnostic_impl(rich_location*,
diagnostics::metadata const*, diagnostics::option_id, char const*,
__va_list_tag (*) [1], diagnostics::kind)
???:0
0x29053cb internal_error(char const*, ...)
???:0
0xb0d2f4 fancy_abort(char const*, int, char const*)
???:0
0x18a30fc walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
???:0
0xdf8ef2 break_out_target_exprs(tree_node*, bool)
???:0
0xb8faae maybe_save_constexpr_fundef(tree_node*)
???:0
0xc083f7 finish_function(bool)
???:0
0xd47563 c_parse_file()
???:0
0xeb65f9 c_common_parse_file()
???:0
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
Compiler returned: 1
It appears to have been introduced in gcc 10.3.
https://godbolt.org/z/rMT5j1Gd5
