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

libgcc/

	* config/riscv/linux-unwind.h (riscv_fallback_frame_state): Add
	missing cast.

diff --git a/libgcc/config/riscv/linux-unwind.h b/libgcc/config/riscv/linux-unwind.h
index 931c2f2795d3f34439e80473c390f9fccac3f318..e58d0f4113e2124ca225103021ccdb8e8b93fe39 100644 (file)
--- a/libgcc/config/riscv/linux-unwind.h
+++ b/libgcc/config/riscv/linux-unwind.h
@@ -64,7 +64,7 @@ riscv_fallback_frame_state (struct _Unwind_Context *context,
     return _URC_END_OF_STACK;
 
   rt_ = context->cfa;
-  sc = &rt_->uc.uc_mcontext;
+  sc = (struct sigcontext *) &rt_->uc.uc_mcontext;
 
   new_cfa = (_Unwind_Ptr) sc;
   fs->regs.cfa_how = CFA_REG_OFFSET;