[Bug target/121064] Loongarch: FFmpeg build fail when enable autovectorization.

[xry111 at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121064

--- Comment #5 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
Something goes wrong compiling libavcodec/apedec.c.  Disabling vectorization
alone for it covers up the issue.