[clang][docs] Fix documentation of -O
authorJessica Clarke <jrtc27@jrtc27.com>
Thu, 17 Sep 2020 12:44:01 +0000 (13:44 +0100)
committerJessica Clarke <jrtc27@jrtc27.com>
Thu, 17 Sep 2020 12:44:01 +0000 (13:44 +0100)
commit788c7d2ec11dfc868a5b03478c922dc9699c6d47
tree3170b4ca7f0aa0a6f191ee72e3501ef25bcfbc82
parentaa896a0b3a9d93df818fbe9b68644ad90bcda831
[clang][docs] Fix documentation of -O

D79916 changed the behaviour from -O2 to -O1 but the documentation was
not updated to reflect this.
clang/docs/CommandGuide/clang.rst