[Bug target/57735] ICE with -mtune=xscale (error: could not split insn) when building webkit

[mikpe at it dot uu.se]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57735

Mikael Pettersson <mikpe at it dot uu.se> changed:

           What    |Removed                     |Added
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                 CC|                            |mikpe at it dot uu.se

--- Comment #4 from Mikael Pettersson <mikpe at it dot uu.se> ---
The ICE on the reduced test case started with r186147 and stopped with r199188.
They both touch the same code so I believe r199188 is a proper fix and not just
coincidental.  Backporting r199188 to current 4.8 branch fixes the ICE there
too,
but I haven't done a full bootstrap and regression test run on anything except
x86_64 yet.

r199188 did cause a regression (ICE on s390x), but the fix for that has already
been backported to 4.8 branch (at r199813).