[src/trunk]: src/doc mention rtld vax hack

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

details:   https://anonhg.NetBSD.org/src/rev/4704e5a1f177
branches:  trunk
changeset: 840349:4704e5a1f177
user:      christos <christos%NetBSD.org@localhost>
date:      Wed Apr 03 21:40:24 2019 +0000

description:
mention rtld vax hack

diffstat:

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

diffs (22 lines):

diff -r 67775004d9b4 -r 4704e5a1f177 doc/HACKS
--- a/doc/HACKS Wed Apr 03 21:37:58 2019 +0000
+++ b/doc/HACKS Wed Apr 03 21:40:24 2019 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: HACKS,v 1.188 2019/04/03 20:34:18 scole Exp $
+# $NetBSD: HACKS,v 1.189 2019/04/03 21:40:24 christos Exp $
 #
 # This file is intended to document workarounds for currently unsolved
 # (mostly) compiler bugs.
@@ -911,3 +911,12 @@
        uninitialized index.  Submitted a request for change with upstream
        mailing list, but never got a response
 kcah
+
+port   vax
+hack   compile rtld.c with -O0
+cdate  Wed Apr  3 17:38:38 EDT 2019
+who    christos
+file   src/libexec/ld.elf_so/Makefile: 1.141
+descr  Disable optimization for rtld.c on the vax with gcc-7. Crashes on the
+       second pass loop with elm == 0xffffffff
+kcah