Index: lldb/source/Plugins/Platform/MacOSX/PlatformMacOSX.cpp
===================================================================
--- lldb/source/Plugins/Platform/MacOSX/PlatformMacOSX.cpp
+++ lldb/source/Plugins/Platform/MacOSX/PlatformMacOSX.cpp
@@ -164,7 +164,7 @@
       std::string default_xcode_sdk;
       FileSpec fspec;
       uint32_t versions[2];
-      if (objfile->GetSDKVersion(versions, sizeof(versions))) {
+      if (objfile->GetSDKVersion(versions, 2)) {
         fspec = HostInfo::GetShlibDir();
         if (fspec) {
           std::string path;