(tsubst, PARM_TYPE): Propagate DECL_ARTIFICIAL.

From-SVN: r10073

diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index 58d3920cb4d3494f53c65d4ec7726c1fca0dd9dd..d06799af505d05f9d0fd9d3957b21906d16af353 100644 (file)
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -1460,6 +1460,7 @@ tsubst (t, args, nargs, in_decl)
        tree r;
        r = build_decl (PARM_DECL, DECL_NAME (t), type);
        DECL_INITIAL (r) = TREE_TYPE (r);
+       DECL_ARTIFICIAL (r) = DECL_ARTIFICIAL (t);
        if (TREE_CHAIN (t))
          TREE_CHAIN (r) = tsubst (TREE_CHAIN (t), args, nargs, TREE_CHAIN (t));
        return r;