Backport to beta: disable jemalloc on executables for ios targets#46912

Merged

bors merged 2 commits intorust-lang:betafrom

pnkfelix:backport-46211-to-beta

Dec 23, 2017

Commits on Dec 21, 2017

disable jemalloc on exectuable for ios targets

kali
authored and
pnkfelix
committed
explanatory note for the workaround

kali
authored and
pnkfelix
committed