[clang][Interp][NFC] Handle AddressSpaceConversion casts

Ignore them. No test yet, but this will be useful in a future commit.

Author: tbaederr

clang/lib/AST/Interp/ByteCodeExprGen.cpp

@@ -311,6 +311,7 @@ bool ByteCodeExprGen<Emitter>::VisitCastExpr(const CastExpr *CE) {
   case CK_NonAtomicToAtomic:
   case CK_NoOp:
   case CK_UserDefinedConversion:
+  case CK_AddressSpaceConversion:
     return this->delegate(SubExpr);
 
   case CK_BitCast: {