[src/trunk]: src/doc PR 56789: document gcc bug workaround for -ftrapv on alpha.

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

details:   https://anonhg.NetBSD.org/src/rev/49878e50fad0
branches:  trunk
changeset: 365186:49878e50fad0
user:      martin <martin%NetBSD.org@localhost>
date:      Sun Apr 10 13:26:47 2022 +0000

description:
PR 56789: document gcc bug workaround for -ftrapv on alpha.

diffstat:

 doc/HACKS |  14 +++++++++++++-
 1 files changed, 13 insertions(+), 1 deletions(-)

diffs (25 lines):

diff -r c3616c62ff2d -r 49878e50fad0 doc/HACKS
--- a/doc/HACKS Sun Apr 10 13:21:34 2022 +0000
+++ b/doc/HACKS Sun Apr 10 13:26:47 2022 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: HACKS,v 1.226 2021/11/23 23:29:55 thorpej Exp $
+# $NetBSD: HACKS,v 1.227 2022/04/10 13:26:47 martin Exp $
 #
 # This file is intended to document workarounds for currently unsolved
 # (mostly) compiler bugs.
@@ -1031,3 +1031,15 @@
 descr  Unit test fails to pass unless t_sig_backtrace.c is compiled
        with -fno-omit-frame-pointer and -DNOINLINE_HACK.
 kcah
+
+hack   alpha gcc error in lint
+cdate  2022/04/10 13:21:34
+who    martin
+port   alpha
+file   usr.bin/xlint/Makefile.inc: 1.23
+pr     56789
+descr
+       Compiling lint with -ftrapv fails with an internal
+       gcc compiler error.
+kcah
+