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X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Peter Maydell , Corey Minyard , qemu-block@nongnu.org, qemu-trivial@nongnu.org, Stefan Weil , Michael Tokarev , Laurent Vivier , Markus Armbruster , qemu-ppc@nongnu.org, Paolo Bonzini , Max Reitz , David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 7/19/19 9:14 AM, Philippe Mathieu-Daud=C3=A9 wrote: > GCC9 is confused by this comment when building with CFLAG > -Wimplicit-fallthrough=3D2: >=20 > vl.c: In function =E2=80=98qemu_ref_timedate=E2=80=99: > vl.c:773:15: error: this statement may fall through [-Werror=3Dimplic= it-fallthrough=3D] > 773 | value -=3D rtc_realtime_clock_offset; > | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ > vl.c:775:5: note: here > 775 | case QEMU_CLOCK_VIRTUAL: > | ^~~~ > cc1: all warnings being treated as errors >=20 > Rewrite the comment using 'fall through' which is recognized by > GCC and static analyzers. >=20 > Reported-by: Stefan Weil > Signed-off-by: Philippe Mathieu-Daud=C3=A9 > --- > vl.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >=20 > diff --git a/vl.c b/vl.c > index a5808f9a02..f5cf71e3b4 100644 > --- a/vl.c > +++ b/vl.c > @@ -771,7 +771,7 @@ static time_t qemu_ref_timedate(QEMUClockType clock= ) > switch (clock) { > case QEMU_CLOCK_REALTIME: > value -=3D rtc_realtime_clock_offset; > - /* no break */ > + /* fall through */ > case QEMU_CLOCK_VIRTUAL: > value +=3D rtc_ref_start_datetime; > break; >=20 Reviewed-by: John Snow