hw/i386/acpi_build.c: Avoid shifting left into sign bit
Add U suffix to avoid undefined behaviour. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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@ -907,7 +907,7 @@ static void build_pci_bus_end(PCIBus *bus, void *bus_state)
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build_append_byte(notify, 0x7B); /* AndOp */
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build_append_byte(notify, 0x68); /* Arg0Op */
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build_append_int(notify, 0x1 << i);
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build_append_int(notify, 0x1U << i);
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build_append_byte(notify, 0x00); /* NullName */
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build_append_byte(notify, 0x86); /* NotifyOp */
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build_append_nameseg(notify, "S%.02X_", PCI_DEVFN(i, 0));
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