[clang][bytecode] Ignore Namespace{Using,Alias}Decls (#125387)

These were missing here and are used in a few libc++ tests.

Author: tbaederr

clang/lib/AST/ByteCode/Compiler.cpp

@@ -4991,8 +4991,8 @@ bool Compiler<Emitter>::visitCompoundStmt(const CompoundStmt *S) {
 template <class Emitter>
 bool Compiler<Emitter>::visitDeclStmt(const DeclStmt *DS) {
   for (const auto *D : DS->decls()) {
-    if (isa<StaticAssertDecl, TagDecl, TypedefNameDecl, UsingEnumDecl,
-            FunctionDecl>(D))
+    if (isa<StaticAssertDecl, TagDecl, TypedefNameDecl, BaseUsingDecl,
+            FunctionDecl, NamespaceAliasDecl>(D))
       continue;
 
     const auto *VD = dyn_cast<VarDecl>(D);

clang/test/AST/ByteCode/literals.cpp

@@ -914,12 +914,18 @@ namespace TypeTraits {
 }
 
 #if __cplusplus >= 201402L
+namespace SomeNS {
+  using MyInt = int;
+}
+
 constexpr int ignoredDecls() {
   static_assert(true, "");
   struct F { int a; };
   enum E { b };
   using A = int;
   typedef int Z;
+  namespace NewNS = SomeNS;
+  using NewNS::MyInt;
 
   return F{12}.a;
 }