https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121151
Bug ID: 121151
Summary: ICE: in break_out_target_exprs, at cp/tree.cc:3339
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Keywords: ice-checking, ice-on-invalid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: rush102333 at gmail dot com
Target Milestone: ---
The following code starts to trigger an ICE since gcc-12.3 with assertion
enabled:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
template<typename ...T> void f(int x = 0, T ...); // #2
template<typename T>
void g() {
T instance;
f<int>();
}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
See godbolt: https://godbolt.org/z/r57fM9fbq
Stack Dump:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<source>: In function 'void g()':
<source>:6:9: internal compiler error: in break_out_target_exprs, at
cp/tree.cc:3339
6 | f<int>();
| ~~~~~~^~
0x287f965 diagnostic_context::diagnostic_impl(rich_location*,
diagnostic_metadata const*, diagnostic_option_id, char const*, __va_list_tag
(*) [1], diagnostic_t)
???:0
0x28a1646 internal_error(char const*, ...)
???:0
0xaf4a8c fancy_abort(char const*, int, char const*)
???:0
0xb150fc convert_default_arg(tree_node*, tree_node*, tree_node*, int, int)
???:0
0xe0241a cp_build_function_call_vec(tree_node*, vec<tree_node*, va_gc,
vl_embed>**, int, tree_node*)
???:0
0xb2cacc build_new_function_call(tree_node*, vec<tree_node*, va_gc,
vl_embed>**, int)
???:0
0xda42ec finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool,
bool, int)
???:0
0xd219a3 c_parse_file()
???:0
0xe8bfe9 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.
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