[clang] [Clang] Do not try to transform invalid bindings (PR #125658)

[Shafik Yaghmour via cfe-commits]

================
@@ -188,3 +188,19 @@ void other_main() {
   static_assert(f<int>() == 2);
 }
 }  // namespace
+
+
+namespace GH125165 {
+
+template <typename = void>
+auto f(auto t) {
+    const auto& [...pack] = t;
+    // expected-error at -1 {{cannot decompose non-class, non-array type 'char const'}}
+    (pack, ...);
+};
+
+void g() {
+    f('x'); // expected-note {{in instantiation}}
----------------
shafik wrote:

Maybe: https://godbolt.org/z/Ejf8Mj5jj



https://github.com/llvm/llvm-project/pull/125658