Index: libcxx/test/libcxx/strings/basic.string/string.capacity/max_size.pass.cpp
===================================================================
--- libcxx/test/libcxx/strings/basic.string/string.capacity/max_size.pass.cpp
+++ libcxx/test/libcxx/strings/basic.string/string.capacity/max_size.pass.cpp
@@ -84,6 +84,8 @@
 #   endif
 # elif defined(__sparc64__)
   half_size();
+# elif defined(__loongarch__)
+  full_size();
 # elif defined(_WIN32)
   full_size();
 # else