tahonermann added inline comments.
================
Comment at: clang/test/SemaTemplate/default-template-arguments.cpp:12
+ auto lambda1 = [] <auto y = x_constexpr> {}; // expected-error {{default
argument references local variable x_constexpr of enclosing function}}
+ auto lambda2 = [] <auto y = x_static> {}; // expected-error {{default
argument references local variable x_static of enclosing function}}
+ auto lambda3 = [] <auto y = x_const> {}; // expected-error {{default
argument references local variable x_const of enclosing function}}
----------------
MSVC and Clang currently accept `x_static`. The resolution of [[
https://cplusplus.github.io/CWG/issues/2346.html | CWG 2346 ]] suggests that
this case (and maybe `x_constexpr`) should be accepted following the adoption
of [[ https://wg21.link/p0588r1 | P0588R1 (Simplifying implicit lambda capture)
]]. However, it isn't obvious to me that P0588R1 actually addresses this. It
might be worth following up with CWG to understand what the intent is.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D139400/new/
https://reviews.llvm.org/D139400
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