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Several optimization paths, including constant folding, can lead to accessing an ir_constant vector with an out of bounds index. Return 0 since GL_ARB_robustness and GL_KHR_robustness encourage us to do so. Fixes piglit tests: spec@glsl-1.20@execution@vector-out-of-bounds-access@fs-vec4-out-of-bounds-2 spec@glsl-1.20@execution@vector-out-of-bounds-access@fs-vec4-out-of-bounds-4 spec@glsl-1.20@execution@vector-out-of-bounds-access@fs-vec4-out-of-bounds-5 Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/2604 CC: <mesa-stable@lists.freedesktop.org> Signed-off-by: Danylo Piliaiev <danylo.piliaiev@globallogic.com> Reviewed-by: Eric Anholt <eric@anholt.net> Reviewed-by: Marcin Ślusarz <marcin.slusarz@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6363>
`Mesa <https://mesa3d.org>`_ - The 3D Graphics Library ====================================================== Source ------ This repository lives at https://gitlab.freedesktop.org/mesa/mesa. Other repositories are likely forks, and code found there is not supported. Build & install --------------- You can find more information in our documentation (`docs/install.rst <https://mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.rst <https://mesa3d.org/meson.html>`_): .. code-block:: sh $ mkdir build $ cd build $ meson .. $ sudo ninja install Support ------- Many Mesa devs hang on IRC; if you're not sure which channel is appropriate, you should ask your question on `Freenode's #dri-devel <irc://chat.freenode.net#dri-devel>`_, someone will redirect you if necessary. Remember that not everyone is in the same timezone as you, so it might take a while before someone qualified sees your question. To figure out who you're talking to, or which nick to ping for your question, check out `Who's Who on IRC <https://dri.freedesktop.org/wiki/WhosWho/>`_. The next best option is to ask your question in an email to the mailing lists: `mesa-dev\@lists.freedesktop.org <https://lists.freedesktop.org/mailman/listinfo/mesa-dev>`_ Bug reports ----------- If you think something isn't working properly, please file a bug report (`docs/bugs.rst <https://mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.rst <https://mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.