yaxunl marked 2 inline comments as done. yaxunl added inline comments.
================ Comment at: test/SemaCUDA/constexpr-ctor.cu:14-27 +template <class T> struct B { + T a; + constexpr B() = default; +}; + +template <class T> struct C { + T a; ---------------- tra wrote: > yaxunl wrote: > > tra wrote: > > > Do we really need three identical templates? If they are needed to let > > > compiler emit multiple diagnostics, perhaps we could just add another > > > template parameter so we can get different instantiations. > > the error is emitted on the default ctor of the template. If we do not use > > different templates, all errors are emitted on the same line, we cannot > > make sure some instantiations do not cause error and some instantiations > > should cause error. > > > > Adding template parameter will not help, because the error will still be > > emitted to the same line. > Having multiple errors attributed to the same source is OK. You can specify > expected count. E.g. > `dev-error 2 {{something}}`. Single template appears to be sufficient > (https://godbolt.org/z/G3WvYD). > > You'll have different note diags emitted for individual errors, so checking > them would both provide more info about that exactly the problem is and will > verify that they are reported in the correct locations. Right now you are > describing what/where triggers an error that as a comment. Letting compiler > verify that instead would be better, IMO. > > Yes I can use note. will do. CHANGES SINCE LAST ACTION https://reviews.llvm.org/D68753/new/ https://reviews.llvm.org/D68753 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits