[clang] Don't eagerly load all declarations in a class when defining a special member function. (PR #210178)

[Corentin Jabot via cfe-commits]

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@@ -12,4 +26,4 @@ S::operator const char *() { return 0; }
 struct T : S {};
 
 const T a = T();
-T b(a);
+T b(a);
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cor3ntin wrote:

Ditto

https://github.com/llvm/llvm-project/pull/210178