Add libbacktrace support for Apple platforms#43422

Closed

JohnColanduoni wants to merge 4 commits intorust-lang:masterfrom JohnColanduoni:osx-backtrace

+1,449-10

Commits on Jul 23, 2017

Commits on Aug 10, 2017

Use env::current_exe for libbacktrace on macOS
JohnColanduoni
committed