[PATCH v2 0/6] Fix more GCC9 -O3 warnings

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

Fix some trivial warnings when building with -O3.

v2:
- addressed Thomas and Aleksandar comments
- dropped 'hw/scsi/megasas: Silent GCC9 duplicated-cond warning'
- dropped 'qemu-io-cmds: Silent GCC9 format-overflow warning'

Philippe Mathieu-Daudé (6):
  audio/audio: Add missing fall through comment
  hw/display/tcx: Add missing fall through comments
  hw/timer/aspeed_timer: Add a fall through comment
  hw/net/imx_fec: Rewrite fall through comments
  hw/net/imx_fec: Remove unuseful FALLTHROUGH comments
  hw/pci-host/designware: Remove unuseful FALLTHROUGH comment

 audio/audio.c            | 1 +
 hw/display/tcx.c         | 2 ++
 hw/net/imx_fec.c         | 7 ++++---
 hw/pci-host/designware.c | 2 +-
 hw/timer/aspeed_timer.c  | 2 +-
 5 files changed, 9 insertions(+), 5 deletions(-)

Cc: Aleksandar Markovic <aleksandar.m.mail@gmail.com>
Cc: Andrew Jeffery <andrew@aj.id.au>
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: "Cédric Le Goater" <clg@kaod.org>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Joel Stanley <joel@jms.id.au>
Cc: "Kővágó, Zoltán" <dirty.ice.hu@gmail.com>
Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Cc: Markus Armbruster <armbru@redhat.com>
Cc: Olivier Danet <odanet@caramail.com>
Cc: Peter Chubb <peter.chubb@nicta.com.au>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-arm@nongnu.org
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2.21.0