[FS#822] busybox (ash) sporadically segfaults running shell scripts on ar71xx

[LEDE Bugs]

The following task has a new comment added:

FS#822 - busybox (ash) sporadically segfaults running shell scripts on ar71xx
User who did this - Baptiste Jonglez (bjonglez)

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kernel 4.4.79 has several commits fixing issues on MIPS: https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.79

In particular this commit 4c7d28c1e99d ("MIPS: math-emu: Prevent wrong ISA mode instruction emulation") looks related
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=822#comment3158