Clang crashes when using lambda captures inside a trailing return decltype #120802
Description
Clang crashed on this example:
template<typename T>
consteval auto matches(T t)
{
return [](auto u) -> decltype([u](){}()){}(t);
}
int main() {
matches(0);
return 0;
}
This issue was introduced from clang16.0.0 ( released on March 17, 2023) to clang 17.0.1 (released on September 9, 2023)
https://godbolt.org/z/q9v9q31f4
Gcc works fine for this example: https://godbolt.org/z/x8z41EKr4
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