We were warning on valid ObjC property reference exprs, and passing in the wrong arguments to DiagnoseFloatingImpCast (leading to a badly worded diagnostic). rdar://47644670 Differential revision: https://reviews.llvm.org/D58145 llvm-svn: 354074
Fixes a false positive with -Wconversion involving Objective-C properties. Fixes <rdar://problem/14415662>. llvm-svn: 192611