Investigate testsuite failures and memory leaks in Pike 8.0/8.1.
Imported from https://youtrack.roxen.com/issue/PIKE-20
Reported by @grubba
Blocked by PIKE-21
Blocked by PIKE-22
Blocked by PIKE-23
Blocked by PIKE-24
Blocked by PIKE-25
Blocked by PIKE-26
Blocked by PIKE-27
Blocked by PIKE-28
Blocked by PIKE-29
Blocked by PIKE-30
Blocked by PIKE-31
Blocked by PIKE-34
The Pike testsuite has intermittent failures, and running it --with-dmalloc shows several leaks and triggers a few crashes.