[lld] [clang]set invalid for lambda which missing capture `this` (PR #70432)

[via llvm-commits]

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@@ -0,0 +1,7 @@
+// RUN: %clang_cc1 -verify -fsyntax-only -std=c++17 %s
+
+struct S {
+  int n;
+  int d = (4, []() { return n; }());  // expected-error {{'this' cannot be implicitly captured in this context}} \
+                                      // expected-note {{explicitly capture 'this'}}
+};
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cor3ntin wrote:

Can you move that test to an existing file? Maybe test/SemaCXX/lambda-implicit-this-capture.cpp
(in a `GH67687` namespace)

https://github.com/llvm/llvm-project/pull/70432