remove cir::MissingFeatures::tbaaTagForEnum()

Author: PikachuHyA

clang/include/clang/CIR/MissingFeatures.h

@@ -60,7 +60,6 @@ struct MissingFeatures {
   static bool tbaa() { return false; }
   static bool tbaaStruct() { return false; }
   static bool tbaaTagForStruct() { return false; }
-  static bool tbaaTagForEnum() { return true; }
   static bool tbaaTagForBitInt() { return false; }
   static bool tbaaVTablePtr() { return false; }
   static bool tbaaIncompleteType() { return false; }

clang/lib/CIR/CodeGen/CIRGenTBAA.cpp

@@ -174,7 +174,6 @@ cir::TBAAAttr CIRGenTBAA::getTypeInfoHelper(clang::QualType qty) {
   // Enum types are distinct types. In C++ they have "underlying types",
   // however they aren't related for TBAA.
   if (const EnumType *ety = dyn_cast<EnumType>(ty)) {
-    assert(cir::MissingFeatures::tbaaTagForEnum());
     if (!features.CPlusPlus)
       return getTypeInfo(ety->getDecl()->getIntegerType());