[src/trunk]: src/doc mention strtod hack

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

details:   https://anonhg.NetBSD.org/src/rev/275662ddfdde
branches:  trunk
changeset: 938887:275662ddfdde
user:      christos <christos%NetBSD.org@localhost>
date:      Fri Sep 18 14:09:47 2020 +0000

description:
mention strtod hack

diffstat:

 doc/HACKS |  12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

diffs (31 lines):

diff -r 69383e7661ed -r 275662ddfdde doc/HACKS
--- a/doc/HACKS Fri Sep 18 14:06:45 2020 +0000
+++ b/doc/HACKS Fri Sep 18 14:09:47 2020 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: HACKS,v 1.208 2020/08/10 06:46:27 rin Exp $
+# $NetBSD: HACKS,v 1.209 2020/09/18 14:09:47 christos Exp $
 #
 # This file is intended to document workarounds for currently unsolved
 # (mostly) compiler bugs.
@@ -40,12 +40,20 @@
 hack   static linking with libpthread
 mdate  7 May 2019
 who    maya
-file   lib/libpthread/Makefile 1.92 -> 1.94
+file   src/lib/libpthread/Makefile 1.92 -> 1.94
 descr
        To avoid some libc thread stub functions being picked up
        in static builds, link pthread as one section.
 kcah
 
+hack   disable optimization for gcc-9.3 in src/lib/libc/gdtoa/strtod.c
+mdate  18 Sep 2020
+who    christos
+file    src/lib/libc/gdtoa/strtod.c 1.15 -> 1.16
+descr
+       See PR/55668, the program there causes infinite loop
+kcah
+
 hack   gcc-5.3 optimizes memset+malloc -> calloc inside calloc
 mdate  4 May 2016
 who    christos