Backports for 1.1.0-rc2#30607

Merged

ararslan merged 11 commits intorelease-1.1from

Jan 12, 2019

Commits on Jan 5, 2019

don't use abstract_iteration for types with special cases in _apply (#30483)

JeffBezanson
authored and
KristofferC
committed

Commits on Jan 9, 2019

use type inference world in `return_type` (#30470)

JeffBezanson
authored and
KristofferC
committed
Use XCode 8.3 for macOS on Travis (#30599)

ararslan
authored and
KristofferC
committed
Fix use counts for mutable struct SROA

Keno
authored and
KristofferC
committed
some latency hacks (#30566)

JeffBezanson
authored and
KristofferC
committed
Fix SROA confusing new and old nodes

Keno
authored and
KristofferC
committed
Defensively fix patterns similar to #29983

Keno
authored and
KristofferC
committed

Commits on Jan 11, 2019