[clang] [Clang] correct error message when assigning to const reference captured in lambda (PR #105647)

[Vlad Serebrennikov via cfe-commits]

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@@ -189,6 +189,11 @@ namespace ModifyingCapture {
     [=] {
       n = 1; // expected-error {{cannot assign to a variable captured by copy in a non-mutable lambda}}
     };
+    const int cn = 0;
+    // cxx03-cxx11-warning at +1 {{initialized lambda captures are a C++14 extension}}
+    [&cnr = cn]{ // expected-note {{variable 'cnr' declared const here}}
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Endilll wrote:

I'm not sure we want to go this far and look through _explicit_ declarations with deduced type.
CC @cor3ntin 

https://github.com/llvm/llvm-project/pull/105647