[PATCH] RISC-V: Eliminate unused parameter warning.

[Li Xu <xuli1@eswincomputing.com>]

From: xuli <xuli1@eswincomputing.com>

The parameter orig_fndecl is not used, use anonymous parameters instead.

../.././gcc/gcc/config/riscv/riscv-c.cc: In function ‘bool riscv_check_builtin_call(location_t, vec<unsigned int>, tree, tree, unsigned int, tree_node**)’:
../.././gcc/gcc/config/riscv/riscv-c.cc:207:11: warning: unused parameter ‘orig_fndecl’ [-Wunused-parameter]
      tree orig_fndecl, unsigned int nargs, tree *args)
           ^~~~~~~~~~~

gcc/ChangeLog:

	* config/riscv/riscv-c.cc (riscv_check_builtin_call): Eliminate warning.
---
 gcc/config/riscv/riscv-c.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/config/riscv/riscv-c.cc b/gcc/config/riscv/riscv-c.cc
index bedf7217390..b7f9ba204f7 100644
--- a/gcc/config/riscv/riscv-c.cc
+++ b/gcc/config/riscv/riscv-c.cc
@@ -204,7 +204,7 @@ riscv_pragma_intrinsic (cpp_reader *)
 /* Implement TARGET_CHECK_BUILTIN_CALL.  */
 static bool
 riscv_check_builtin_call (location_t loc, vec<location_t> arg_loc, tree fndecl,
-			  tree orig_fndecl, unsigned int nargs, tree *args)
+			  tree, unsigned int nargs, tree *args)
 {
   unsigned int code = DECL_MD_FUNCTION_CODE (fndecl);
   unsigned int subcode = code >> RISCV_BUILTIN_SHIFT;
-- 
2.17.1