Re: PR/54307 CVS commit: src/external/bsd/jemalloc/lib

[Rin Okuyama <rokuyama.rk%gmail.com@localhost>]

The following reply was made to PR port-alpha/54307; it has been noted by GNATS.

From: Rin Okuyama <rokuyama.rk%gmail.com@localhost>
To: Christos Zoulas <christos%zoulas.com@localhost>, gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: PR/54307 CVS commit: src/external/bsd/jemalloc/lib
Date: Sat, 2 Nov 2019 06:35:03 +0900

 On 2019/11/02 6:04, Christos Zoulas wrote:
 > On Nov 1,  8:55pm, rin%netbsd.org@localhost ("Rin Okuyama") wrote:
 > -- Subject: PR/54307 CVS commit: src/external/bsd/jemalloc/lib
 > 
 > |  Workaround for random crash of userland binaries, as reported in
 > |  PR port-alpha/54307.
 > |
 > |  If rtree.c and tcache.c are compiled with -O0, userland just works
 > |  without problems as far as I can see. Alternately, you can specify
 > |  -DJEMALLOC_DEBUG to avoid random crash. Smells like compiler bug,
 > |  or wrong coding which relies on some undefined behavior.
 > |
 > |  Anyway, we need to pull this up into netbsd-9 asap.
 > 
 > HEAD builds fine with gcc-8. Can you test it (and if the bug is still there)?
 
 I tested it. These files need to be compiled with -O0 even with gcc-8.
 
 Can I send pullup request? Or would you examine further?
 
 Thanks,
 rin