Commit e6e952d5d5db6c0f9c505854995988ad13b30ec8

y-guyon 2021-07-15T17:33:24

Suppress UBSan error in decode_mcu_fast() This is the same error that d147be83e9a9f904918ba7f834b0fb28e09de9b5 suppressed in decode_mcu_slow(). The image that reproduces this error in decode_mcu_fast() has been added to the libjpeg-turbo seed corpora. Closes #537