[clang] [Clang] prevent assertion failure by avoiding always-dependent lambdas in constraint-related nested scopes (PR #173776)

[Oleksandr T. via cfe-commits]

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@@ -282,3 +281,11 @@ static_assert(__is_same_as(int, helper<int>));
 
 
 } // namespace GH138018
+
+namespace GH172814 {
+auto t() {
+  int x = 0;
+  return [](auto w=[&] { x += w(); }); // expected-error {{lambda expression in default argument cannot capture any entity}} \
+                                       // expected-error {{expected body of lambda expression}}
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a-tarasyuk wrote:

Ok, I've removed it

https://github.com/llvm/llvm-project/pull/173776