ref: 0eb2ad439e69e9576720badf1dca296c51db6e35
parent: 95a93936f420dd480454eb97c25b02874da7a966
author: Ori Bernstein <[email protected]>
date: Sat Sep 16 10:07:30 EDT 2017
Fix occurs check. Fixes bug #145. Thanks Milo (iitalics on github).
--- a/parse/infer.c
+++ b/parse/infer.c
@@ -353,6 +353,7 @@
{
size_t i;
+ sub = tf(sub);
if (bshas(bs, sub->tid))
return 1;
bsput(bs, sub->tid);
@@ -390,8 +391,9 @@
int r;
bs = mkbs();
- bsput(bs, b->tid);
- r = occurs_rec(a, bs);
+ a = tf(a);
+ bsput(bs, a->tid);
+ r = occurs_rec(b, bs);
bsfree(bs);
return r;
}