https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118225
Bug ID: 118225
Summary: ICE: in build_class_member_access_expr, at
cp/typeck.cc:2983
Product: gcc
Version: 15.0
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: ---
struct NoMut1 { int a, b; };
struct NoMut3 : virtual NoMut1 {
constexpr NoMut3(int a, int b) : NoMut1{a, b} {}
};
void mutable_subobjects() {
constexpr NoMut3 nm3 = {1, 2};
struct A {
void f() {
static_assert(nm3.a == 1, "");
}
};
}
$ g++ -freport-bug err_mut18.cpp
<source>: In constructor 'constexpr NoMut3::NoMut3(int, int)':
<source>:3:50: error: 'struct NoMut3' has virtual base classes
3 | constexpr NoMut3(int a, int b) : NoMut1{a, b} {}
| ^
<source>: In function 'void mutable_subobjects()':
<source>:6:31: error: call to non-'constexpr' function 'constexpr
NoMut3::NoMut3(int, int)'
6 | constexpr NoMut3 nm3 = {1, 2};
| ^
<source>:3:13: note: 'constexpr NoMut3::NoMut3(int, int)' declared here
3 | constexpr NoMut3(int a, int b) : NoMut1{a, b} {}
| ^~~~~~
<source>: In member function 'void mutable_subobjects()::A::f()':
<source>:9:21: error: use of local variable with automatic storage from
containing function
9 | static_assert(nm3.a == 1, "");
| ^~~
<source>:6:20: note: 'constexpr const NoMut3 nm3' declared here
6 | constexpr NoMut3 nm3 = {1, 2};
| ^~~
<source>:9:25: internal compiler error: in build_class_member_access_expr, at
cp/typeck.cc:2983
9 | static_assert(nm3.a == 1, "");
| ^
0x2938075 diagnostic_context::diagnostic_impl(rich_location*,
diagnostic_metadata const*, diagnostic_option_id, char const*, __va_list_tag
(*) [1], diagnostic_t)
???:0
0x294ee76 internal_error(char const*, ...)
???:0
0xacaf50 fancy_abort(char const*, int, char const*)
???:0
0xdc2042 finish_class_member_access_expr(cp_expr, tree_node*, bool, int)
???:0
0xce5603 c_parse_file()
???:0
0xe450d9 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 Explorer:
https://godbolt.org/z/53GGTM381
