diff options
| -rw-r--r-- | gcc/c-iterate.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/gcc/c-iterate.c b/gcc/c-iterate.c index 09df3e4..38c15a2 100644 --- a/gcc/c-iterate.c +++ b/gcc/c-iterate.c @@ -1,5 +1,5 @@ /* Build expressions with type checking for C compiler. - Copyright (C) 1987, 1988, 1989, 1992 Free Software Foundation, Inc. + Copyright (C) 1987, 1988, 1989, 1992, 1993 Free Software Foundation, Inc. This file is part of GNU CC. @@ -209,12 +209,9 @@ collect_iterators (exp, list) case SAVE_EXPR: /* In each scan, scan a given save_expr only once. */ - { - tree tail; - for (tail = save_exprs; tail; tail = TREE_CHAIN (tail)) - if (TREE_VALUE (tail) == exp) - return list; - } + if (value_member (exp, save_exprs)) + return list; + save_exprs = tree_cons (NULL_TREE, exp, save_exprs); return collect_iterators (TREE_OPERAND (exp, 0), list); |