1 files changed, 2 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/include/libunwind-x86.h b/src/third_party/unwind/dist/include/libunwind-x86.h
index 40fe0464f2f..542c1774908 100644
--- a/src/third_party/unwind/dist/include/libunwind-x86.h
+++ b/src/third_party/unwind/dist/include/libunwind-x86.h
@@ -158,6 +158,7 @@ x86_regnum_t;
 typedef struct unw_tdep_save_loc
   {
     /* Additional target-dependent info on a save location.  */
+    char unused;
   }
 unw_tdep_save_loc_t;
 
@@ -169,6 +170,7 @@ typedef ucontext_t unw_tdep_context_t;
 typedef struct
   {
     /* no x86-specific auxiliary proc-info */
+    char unused;
   }
 unw_tdep_proc_info_t;