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note the -fno-tree-vrp hack for amd64.

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mrg 2016-04-28 21:18:23 +00:00
parent 2fd0ab6bd1
commit 6761b4740e
1 changed files with 9 additions and 1 deletions
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doc/HACKS
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@ -1,4 +1,4 @@
# $NetBSD: HACKS,v 1.164 2016/01/12 23:03:33 christos Exp $
# $NetBSD: HACKS,v 1.165 2016/04/28 21:18:23 mrg Exp $
#
# This file is intended to document workarounds for currently unsolved
# (mostly) compiler bugs.
@ -783,6 +783,14 @@ port x86
out which option is causing this.
hcah
hack turn off -ftree-vrp for ufs_lookup.c
who mrg
file src/sys/arch/amd64/conf/Makefile.amd64 : 1.54
descr
with -ftree-vrp enabled in ufs_lookup.c sometimes bad dir
panicks are see. see PR 51094.
hcah
port powerpc
hack avoid using __builtin_return_address(0) because it fails in