Document the -Z flag to the rustc book#59680

Merged

bors merged 3 commits intorust-lang:masterfrom DevQps:document-rustc-z-flag

Apr 12, 2019

+9-2

Commits on Apr 3, 2019

Add documentation on the -Z flag on the command-line arguments section in the rustc book.
Christian
committed

Commits on Apr 10, 2019

Updated the documentation, now claiming the -Z is associated to unstable compiler flags, instead of flags for debugging.
Christian
committed
Updated the description of -Z in the rustc book.
Christian
committed