[Bug 775112] clang compiler warnings due to integer conversions

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=775112

Sebastian Dröge (slomo) <slomo at coaxion.net> changed:

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--- Comment #3 from Sebastian Dröge (slomo) <slomo at coaxion.net> ---
Comment on attachment 340787
  --> https://bugzilla.gnome.org/attachment.cgi?id=340787
orc: Explicitly define unsigned integer literals as unsigned

This fixes the compiler warnings but breaks the tests, also with gcc this time
(with clang they are broken anyway, orc does not work with clang, see bug
#728129, bug #728738).

The C backend should really be cleaned up for this, with clang becoming more
common and compilers becoming more irrational with regard to undefined
behaviour.


The simplest way to solve this seems to be to rewrite all the generated code so
that each variable and constant has an explicit cast to the expected type first
(which we know anyway). And then we can start fixing up implementations that
now fail.

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