diff --git a/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_ppc64le.h b/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_ppc64le.h
--- a/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_ppc64le.h
+++ b/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_ppc64le.h
@@ -122,7 +122,7 @@
     int mode;               // Defines if watchpoint is read/write/access.
   };
 
-  std::array<DREG, 4> m_hwp_regs;
+  std::array<DREG, 16> m_hwp_regs;
 
   // 16 is just a maximum value, query hardware for actual watchpoint count
   uint32_t m_max_hwp_supported = 16;