https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120863
Bug ID: 120863
Summary: ICE: in convert_like_internal, at cp/call.cc:9228
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Keywords: 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 crash since gcc-10.2:
https://godbolt.org/z/8oxGfvd9f
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
struct X { };
struct Y : X { };
template<typename T>
X &&f1(Y &y) {
T instance;
return y; }
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Stack Dump:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<source>: In function 'X&& f1(Y&)':
<source>:6:9: internal compiler error: in convert_like_internal, at
cp/call.cc:9228
6 | return y; }
| ^
0x2843285 diagnostic_context::diagnostic_impl(rich_location*,
diagnostic_metadata const*, diagnostic_option_id, char const*, __va_list_tag
(*) [1], diagnostic_t)
???:0
0x2865e26 internal_error(char const*, ...)
???:0
0xaedd7c fancy_abort(char const*, int, char const*)
???:0
0xb25678 initialize_reference(tree_node*, tree_node*, int, int)
???:0
0xdf27e0 convert_for_initialization(tree_node*, tree_node*, tree_node*, int,
impl_conv_rhs, tree_node*, int, int)
???:0
0xdf408d check_return_expr(tree_node*, bool*, bool*)
???:0
0xd938d8 finish_return_stmt(tree_node*)
???:0
0xd16663 c_parse_file()
???:0
0xe7e3c9 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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