[src/trunk]: src/doc Describe workaround for PR port-alpha/54307.

[rin <rin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2c3ce040cd0c
branches:  trunk
changeset: 465026:2c3ce040cd0c
user:      rin <rin%NetBSD.org@localhost>
date:      Fri Nov 01 20:55:55 2019 +0000

description:
Describe workaround for PR port-alpha/54307.

diffstat:

 doc/HACKS |  11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diffs (22 lines):

diff -r d9688174600b -r 2c3ce040cd0c doc/HACKS
--- a/doc/HACKS Fri Nov 01 20:53:10 2019 +0000
+++ b/doc/HACKS Fri Nov 01 20:55:55 2019 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: HACKS,v 1.194 2019/10/30 00:26:54 christos Exp $
+# $NetBSD: HACKS,v 1.195 2019/11/01 20:55:55 rin Exp $
 #
 # This file is intended to document workarounds for currently unsolved
 # (mostly) compiler bugs.
@@ -962,3 +962,12 @@
 descr  Disable optimization for rtld.c on the vax with gcc-7. Crashes on the
        second pass loop with elm == 0xffffffff
 kcah
+
+port   alpha
+hack   userland binaries crash randomly (port-alpha/54307)
+cdate  Fri Nov  1 20:43:35 UTC 2019
+who    rin
+file   src/external/bsd/jemalloc/lib/Makefile.inc: 1.11
+descr  rtree.c and tcache.c need to be compiled with -O0, alternatively,
+       you can compile whole jemalloc with -DJEMALLOC_DEBUG.
+kcah