[clang] [clang][Parser] Fix crash on malformed using declaration in constexpr function (PR #144286)

[Iris Shi via cfe-commits]

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@@ -0,0 +1,8 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+// issue144264
+constexpr void test() 
+{ 
+    using TT = struct T[deprecated{}; 
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el-ev wrote:

Updated, thanks!

https://github.com/llvm/llvm-project/pull/144286