Byte code arity check micro-optimisation

* src/bytecode.c (exec_byte_code): Slight simplification.

1 files changed, 1 insertions, 2 deletions

diff --git a/src/bytecode.c b/src/bytecode.c
index 1561bdc149d..2b017f0e8d5 100644
--- a/src/bytecode.c
+++ b/src/bytecode.c
@@ -391,8 +391,7 @@ exec_byte_code (Lisp_Object bytestr, Lisp_Object vector, Lisp_Object maxdepth,
       bool rest = (at & 128) != 0;
       int mandatory = at & 127;
       ptrdiff_t nonrest = at >> 8;
-      ptrdiff_t maxargs = rest ? PTRDIFF_MAX : nonrest;
-      if (! (mandatory <= nargs && nargs <= maxargs))
+      if (! (mandatory <= nargs && (rest || nargs <= nonrest)))
         Fsignal (Qwrong_number_of_arguments,
                  list2 (Fcons (make_fixnum (mandatory), make_fixnum (nonrest)),
                         make_fixnum (nargs)));