[src/trunk]: src/external/gpl3/gcc note amd64 dtrace issue is only warning fo...

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

details:   https://anonhg.NetBSD.org/src/rev/22744728af5e
branches:  trunk
changeset: 982459:22744728af5e
user:      mrg <mrg%NetBSD.org@localhost>
date:      Tue Apr 13 22:24:56 2021 +0000

description:
note amd64 dtrace issue is only warning for now.
note that i386 has problems in -current.

diffstat:

 external/gpl3/gcc/README.gcc10 |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (28 lines):

diff -r 4b275560d33d -r 22744728af5e external/gpl3/gcc/README.gcc10
--- a/external/gpl3/gcc/README.gcc10    Tue Apr 13 22:23:42 2021 +0000
+++ b/external/gpl3/gcc/README.gcc10    Tue Apr 13 22:24:56 2021 +0000
@@ -1,4 +1,4 @@
-$NetBSD: README.gcc10,v 1.5 2021/04/13 10:10:25 mrg Exp $
+$NetBSD: README.gcc10,v 1.6 2021/04/13 22:24:56 mrg Exp $
 
 
 new stuff:
@@ -50,7 +50,7 @@
 earmv7hf       y       y       y       y               y               y       y       n
 earmv7hfeb     y       b       y       y               y               ?       ?       ?
 hppa           y       b       y       y               y               ?       ?       ?
-i386           y       y       y       y               y               y       ?       ?
+i386           y       y       y       y               y               y       n[8]    ?
 ia64           y       y       y       y               n[2]            ?       N/A     n
 m68000         y       b       y       y               n[1]            ?       ?       ?
 m68k           y       y       y       y               y               ?       ?       ?
@@ -106,6 +106,9 @@
          19 |   iarg[1] = SCARG(p, args[SYS_MAXSYSARGS]); /* register_t */
             |             ^
       which makes sense as args[8] is out of bounds.
+      -- this issue has been -Wno-'d but should be investigated.
+[8] - i386 seems to have a signal delivery issue.  GCC 9 or 10 kernels are
+      unable to reboot properly, and GCC 10 atf runs hang in signal delivery.