[PATCH] arc: Fix -Wincompatible-pointer-types warning during libgcc build

[Florian Weimer via Gcc-patches]

libgcc/

        * config/arc/linux-unwind.h (arc_fallback_frame_state): Add
        missing cast.

---
 libgcc/config/arc/linux-unwind.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libgcc/config/arc/linux-unwind.h b/libgcc/config/arc/linux-unwind.h
index 0292e22ed1b..dec9428a7e5 100644
--- a/libgcc/config/arc/linux-unwind.h
+++ b/libgcc/config/arc/linux-unwind.h
@@ -100,7 +100,7 @@ arc_fallback_frame_state (struct _Unwind_Context *context,
   if (pc[0] == MOV_R8_139)
     {
       rt_ = context->cfa;
-      sc = &rt_->uc.uc_mcontext;
+      sc = (struct sigcontext *) &rt_->uc.uc_mcontext;
     }
   else
     return _URC_END_OF_STACK;