cor3ntin added inline comments.
================
Comment at: clang/test/SemaCXX/vartemplate-lambda.cpp:17
+ //
expected-note{{cannot be used in a constant expression}} \
+ // expected-error 2{{a
lambda expression may not appear inside of a constant expression}}
};
----------------
This also looks like a regression.
The current error is much clearer, can you investigate?
```
<source>:3:22: error: constexpr variable 't<int>' must be initialized by a
constant expression
3 | static constexpr T t = [](int f = T(7)){return f;}();
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<source>:6:12: note: in instantiation of static data member 'S::t<int>'
requested here
6 | int a = S::t<int>;
| ^
<source>:3:26: note: non-literal type 'S::(lambda at <source>:3:26)' cannot be
used in a constant expression
3 | static constexpr T t = [](int f = T(7)){return f;}();
| ^
```
Why do we emt 2 errors instead of a single note? Here the error is that the
initializer is not a constant expression, everything else should be notes.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D155064/new/
https://reviews.llvm.org/D155064
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