Begin work for bit_set[...; [N]T] (not working)

src/llvm_backend_const.cpp

@@ -434,6 +434,8 @@ gb_internal LLVMValueRef lb_big_int_to_llvm(lbModule *m, Type *original_type, Bi
 		}
 	}
 
+	GB_ASSERT(!is_type_array(original_type));
+
 	LLVMValueRef value = LLVMConstIntOfArbitraryPrecision(lb_type(m, original_type), cast(unsigned)((sz+7)/8), cast(u64 *)rop);
 	if (big_int_is_neg(a)) {
 		value = LLVMConstNeg(value);