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Fix crash when cdr is a value type

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This commit is contained in:
Justin Ethier 2016-05-03 00:10:59 -04:00
parent d77b94d89c
commit 730fdb3111
1 changed files with 1 additions and 1 deletions
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2
runtime.c
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@ -789,7 +789,7 @@ static object _Cyc_write(object x, FILE * port)
break;
}
for (tmp = cdr(x); tmp && ((closure) tmp)->tag == pair_tag; tmp = cdr(tmp)) {
for (tmp = cdr(x); tmp && !is_value_type(tmp) && ((closure) tmp)->tag == pair_tag; tmp = cdr(tmp)) {
if (has_cycle == boolean_t) {
if (i++ > 20)
break; /* arbitrary number, for now */