[Bug rtl-optimization/91136] [MIPS] Incorrect move of instruction to delay slot causes application crash in exception handling

[artur.koninski at nokia dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91136

--- Comment #6 from Artur Koniński <artur.koninski at nokia dot com> ---
Quick check shows the same issue is visible on 4.9.2.
Checking on 4.3.3 and 4.7.4 results in no crash, but it seems already passes
before delayed branch scheduling reorganize the blocks in critical area, so
that the issue may still be there but just hidden...