Address comments.

Author: hokein

clang/lib/Sema/SemaDecl.cpp

@@ -13606,9 +13606,9 @@ void Sema::AddInitializerToDecl(Decl *RealDecl, Expr *Init, bool DirectInit) {
       // part in the valid bit of the declaration. There are a few exceptions:
       //  1) if the var decl has a deduced auto type, and the type cannot be
       //     deduced by an invalid initializer;
-      //  2) if the var decl is decompsition decl with a concrete type (e.g.
-      //    `int [a, b] = 1;`), and the initializer is invalid;
-      // Case 1) is already handled earlier in this function.
+      //  2) if the var decl is decompsition decl with a non-deduced type, and
+      //     the initialization fails (e.g. `int [a] = {1, 2};`);
+      // Case 1) was already handled elsewhere.
       if (llvm::isa<DecompositionDecl>(VDecl)) // Case 2)
         VDecl->setInvalidDecl();
       return;

clang/test/AST/ast-dump-invalid-initialized.cpp

@@ -26,15 +26,17 @@ void test() {
   auto b5 = A{1};
 }
 
-void pr72198() {
+void GH72198() {
   // CHECK: DecompositionDecl {{.*}} invalid 'int'
   int [_, b] = {0, 0};
   [b]{};
 }
 
+namespace GH67495 {
 int get_point();
-void pr67495() {
+void f() {
   // CHECK: DecompositionDecl {{.*}} invalid 'int &'
   auto& [x, y] = get_point();
   [x, y] {};
 }
+}