(special_symbol, do_xifdef): Don't access value.defn of a T_CONST.

From-SVN: r7819

diff --git a/gcc/cccp.c b/gcc/cccp.c
index 640b36bcc10c67a8a9eae64785f51dc1d90b7f14..01f1c6655317b96edb75d30acbecb0b67e52efff 100644 (file)
--- a/gcc/cccp.c
+++ b/gcc/cccp.c
@@ -3925,7 +3925,8 @@ special_symbol (hp, op)
       goto oops;
     if (hp = lookup (ip->bufp, -1, -1)) {
       if (pcp_outfile && pcp_inside_if
-         && hp->value.defn->predefined)
+         && (hp->type == T_CONST
+             || (hp->type == T_MACRO && hp->value.defn->predefined)))
        /* Output a precondition for this macro use. */
        fprintf (pcp_outfile, "#define %s\n", hp->name);
       buf = " 1 ";
@@ -6790,7 +6791,9 @@ do_xifdef (buf, limit, op, keyword)
 
     if (pcp_outfile) {
       /* Output a precondition for this macro.  */
-      if (hp && hp->value.defn->predefined)
+      if (hp &&
+         (hp->type == T_CONST
+          || (hp->type == T_MACRO && hp->value.defn->predefined)))
        fprintf (pcp_outfile, "#define %s\n", hp->name);
       else {
        U_CHAR *cp = buf;