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document fsdb bug

This commit is contained in:
christos 2013-11-09 16:05:39 +00:00
parent 997b1a5c45
commit b3763dc58b
1 changed files with 17 additions and 1 deletions
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doc/HACKS
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@ -1,4 +1,4 @@
# $NetBSD: HACKS,v 1.139 2013/11/09 00:35:00 christos Exp $
# $NetBSD: HACKS,v 1.140 2013/11/09 16:05:39 christos Exp $
#
# This file is intended to document workarounds for currently unsolved
# (mostly) compiler bugs.
@ -517,6 +517,22 @@ port vax
Many filesystem on-disk formats have 32 bit times.
kcah
hack gcc >= 4.5 fsdb miscompile
date Sat Nov 9 11:03:02 EST 2013
who christos
file src/sbin/fsdb/Makefile : 1.35 (and earlier)
descr
src/sbin/fsdb/fsdb.c: In function 'findblk':
src/sbin/fsdb/fsdb.c:610:1: error: unrecognizable insn:
(insn 941 940 942 134 src/sbin/fsdb/fsdb.c:589 (set (reg:SI 604)
(subreg:SI (mem/s/j:DI (plus:SI (mult:SI (reg:SI 602)
(const_int 8 [0x8]))
(reg/f:SI 601)) [0 curinode.99_378->dp2.di_ib S8 A32]) 4)) \
-1 (nil))
src/sbin/fsdb/fsdb.c:610:1: internal compiler error: in \
extract_insn, at recog.c:2103
kcah
port arm
hack gcc-unsigned-compare