[clang] Remove delayed typo expressions (PR #143423)

[Eli Friedman via cfe-commits]

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@@ -58,10 +58,8 @@ struct Base {
 };
 
 struct Derived final : Base {
-  virtual ~Derived() = defaul; // #default
+  virtual ~Derived() = defaul; // expected-error {{use of undeclared identifier 'defaul'}}
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efriedma-quic wrote:

I would sort of expect us to try to do typo correction here: we know we're expecting one of a few keywords.  Maybe worth filing a bug,

https://github.com/llvm/llvm-project/pull/143423