[src/trunk]: src lint1: add bug report for internal GCC compiler error

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

details:   https://anonhg.NetBSD.org/src/rev/502a589cf527
branches:  trunk
changeset: 379862:502a589cf527
user:      rillig <rillig%NetBSD.org@localhost>
date:      Wed Jun 23 07:11:41 2021 +0000

description:
lint1: add bug report for internal GCC compiler error

diffstat:

 doc/HACKS                    |  3 ++-
 usr.bin/xlint/lint1/Makefile |  3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diffs (32 lines):

diff -r 0aad23b86003 -r 502a589cf527 doc/HACKS
--- a/doc/HACKS Wed Jun 23 00:56:41 2021 +0000
+++ b/doc/HACKS Wed Jun 23 07:11:41 2021 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: HACKS,v 1.219 2021/06/22 13:02:52 martin Exp $
+# $NetBSD: HACKS,v 1.220 2021/06/23 07:11:41 rillig Exp $
 #
 # This file is intended to document workarounds for currently unsolved
 # (mostly) compiler bugs.
@@ -1010,4 +1010,5 @@ port      sh3
                The in-tree gcc 9 crashes with an internal invalid
                opcode exception when using any kind of optimization
                on the lex.c file. Force -O0 for this file.
+               https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101177
 kcah
diff -r 0aad23b86003 -r 502a589cf527 usr.bin/xlint/lint1/Makefile
--- a/usr.bin/xlint/lint1/Makefile      Wed Jun 23 00:56:41 2021 +0000
+++ b/usr.bin/xlint/lint1/Makefile      Wed Jun 23 07:11:41 2021 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.71 2021/06/22 12:58:28 martin Exp $
+#      $NetBSD: Makefile,v 1.72 2021/06/23 07:11:41 rillig Exp $
 
 .include <bsd.own.mk>
 
@@ -27,6 +27,7 @@ CPPFLAGS+=    ${DEBUG:D-DDEBUG}
 
 COPTS.err.c+=  ${${ACTIVE_CC} == "clang":? -Wno-format-nonliteral :}
 
+# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101177
 .if ${HAVE_GCC} == 9 &&        \
        (${MACHINE_ARCH} == "sh3el" || ${MACHINE_ARCH} == "sh3eb")
 COPTS.lex.c+=  -O0