(collect_expansion): Don't make # special in argless macro.

From-SVN: r3818

diff --git a/gcc/cccp.c b/gcc/cccp.c
index 1d48b6276b181903aa5048e0852c5aed65e15172..dc420997f82f59b0bf2dade11c193075d8696f27 100644 (file)
--- a/gcc/cccp.c
+++ b/gcc/cccp.c
@@ -5218,12 +5218,12 @@ collect_expansion (buf, end, nargs, arglist)
          concat = p;
          if (p == limit)
            error ("`##' at end of macro definition");
-       } else {
+       } else if (nargs >= 0) {
          /* Single #: stringify following argument ref.
             Don't leave the # in the expansion.  */
          exp_p--;
          SKIP_WHITE_SPACE (p);
-         if (p == limit || ! is_idstart[*p] || nargs <= 0)
+         if (p == limit || ! is_idstart[*p])
            error ("`#' operator is not followed by a macro argument name");
          else
            stringify = p;