[clang] [Clang] SubstituteConstraintExpressionWithoutSatisfaction needs an unevaluated context (PR #123883)

[via cfe-commits]

================
@@ -248,6 +248,25 @@ ExprResult Parser::ParseArrayBoundExpression() {
   // If we parse the bound of a VLA... we parse a non-constant
   // constant-expression!
   Actions.ExprEvalContexts.back().InConditionallyConstantEvaluateContext = true;
+  // For a VLA type inside an unevaluated operator like:
+  //
+  //   sizeof(typeof(*(int (*)[N])array))
+  //
+  // in which the expression N is supposed to be ODR-used, as is the `array`.
----------------
cor3ntin wrote:

OH.
I see, thanks. Sorry, it's early morning here...

https://github.com/llvm/llvm-project/pull/123883