[Fontconfig] fontconfig: Branch 'master'

[Behdad Esfahbod]

On Tue, Jan 9, 2018 at 9:44 PM, Keith Packard <keithp at keithp.com> wrote:

> behdad at kemper.freedesktop.org (Behdad Esfahbod) writes:
>
> >     Fix undefined-behavior signed shifts
>
> How is left shift of signed values undefined?
>

1<<0x1F is 2147483648 which is not representable in int32_t. No? At least
that's my understanding of what the compiler was nagging about.
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