diff --git a/lldb/source/Plugins/Platform/MacOSX/PlatformDarwin.cpp b/lldb/source/Plugins/Platform/MacOSX/PlatformDarwin.cpp
--- a/lldb/source/Plugins/Platform/MacOSX/PlatformDarwin.cpp
+++ b/lldb/source/Plugins/Platform/MacOSX/PlatformDarwin.cpp
@@ -498,7 +498,7 @@
 static llvm::ArrayRef<const char *> GetCompatibleArchs(ArchSpec::Core core) {
   switch (core) {
   default:
-    [[fallthrough]];
+    break;
   case ArchSpec::eCore_arm_arm64e: {
     static const char *g_arm64e_compatible_archs[] = {
         "arm64e",    "arm64",    "armv7",    "armv7f",   "armv7k",   "armv7s",
diff --git a/lldb/test/API/functionalities/gdb_remote_client/TestPlatformMacOSX.py b/lldb/test/API/functionalities/gdb_remote_client/TestPlatformMacOSX.py
--- a/lldb/test/API/functionalities/gdb_remote_client/TestPlatformMacOSX.py
+++ b/lldb/test/API/functionalities/gdb_remote_client/TestPlatformMacOSX.py
@@ -19,7 +19,7 @@
             return MockGDBServerResponder.respond(self, packet)
 
         def qHostInfo(self):
-            return "cputype:16777223;cpusubtype:2;ostype:%s;vendor:apple;os_version:10.15.4;maccatalyst_version:13.4;endian:little;ptrsize:8;" % self.host_ostype
+            return "cputype:16777228;cpusubtype:2;ostype:%s;vendor:apple;os_version:10.15.4;maccatalyst_version:13.4;endian:little;ptrsize:8;" % self.host_ostype
 
         def qProcessInfo(self):
             return "pid:a860;parent-pid:d2a0;real-uid:1f5;real-gid:14;effective-uid:1f5;effective-gid:14;cputype:100000c;cpusubtype:2;ptrsize:8;ostype:ios;vendor:apple;endian:little;"