https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107463
Bug ID: 107463
Summary: Better error request for invalid initializer list of
aggregate
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: nightstrike at gmail dot com
Target Milestone: ---
struct S {
struct Config {
int x;
};
S(Config const & cfg);
};
void f() {
S s({
.y = "x"
});
}
results in:
<source>: In function 'void f()':
<source>:11:6: error: no matching function for call to 'S::S(<brace-enclosed
initializer list>)'
11 | });
| ^
<source>:5:5: note: candidate: 'S::S(const Config&)'
5 | S(Config const & cfg);
| ^
<source>:5:22: note: no known conversion for argument 1 from '<brace-enclosed
initializer list>' to 'const S::Config&'
5 | S(Config const & cfg);
| ~~~~~~~~~~~~~~~^~~
<source>:1:8: note: candidate: 'constexpr S::S(const S&)'
1 | struct S {
| ^
<source>:1:8: note: no known conversion for argument 1 from '<brace-enclosed
initializer list>' to 'const S&'
<source>:1:8: note: candidate: 'constexpr S::S(S&&)'
<source>:1:8: note: no known conversion for argument 1 from '<brace-enclosed
initializer list>' to 'S&&'
It would be a lot more helpful if the error was something like "there's no
member named y in Config, did you mean x?"
PR71542 seems related, but different.
