arc: Fix -Wincompatible-pointer-types warning during libgcc build

libgcc/

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

diff --git a/libgcc/config/arc/linux-unwind.h b/libgcc/config/arc/linux-unwind.h
index 0292e22ed1bc9679b44ab6f18f49316353197f1f..dec9428a7e5539ef90bd45e9caf55dcac64693d2 100644 (file)
--- 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;