Remove clang man page reference to -Oz. It's not an option we want people to use, and is around for historical reasons.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163538 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/tools/clang.pod b/docs/tools/clang.pod
index 425a91e..10b6bbf 100644
--- a/docs/tools/clang.pod
+++ b/docs/tools/clang.pod
@@ -7,7 +7,7 @@
=head1 SYNOPSIS
B<clang> [B<-c>|B<-S>|B<-E>] B<-std=>I<standard> B<-g>
- [B<-O0>|B<-O1>|B<-O2>|B<-Os>|B<-Oz>|B<-O3>|B<-O4>]
+ [B<-O0>|B<-O1>|B<-O2>|B<-Os>|B<-O3>|B<-O4>]
B<-W>I<warnings...> B<-pedantic>
B<-I>I<dir...> B<-L>I<dir...>
B<-D>I<macro[=defn]>
@@ -263,13 +263,12 @@
=over
-=item B<-O0> B<-O1> B<-O2> B<-Os> B<-Oz> B<-O3> B<-O4>
+=item B<-O0> B<-O1> B<-O2> B<-Os> B<-O3> B<-O4>
Specify which optimization level to use. B<-O0> means "no optimization": this
level compiles the fastest and generates the most debuggable code. B<-O2> is a
moderate level of optimization which enables most optimizations. B<-Os> is like
-B<-O2> with extra optimizations to reduce code size. B<-Oz> is like B<-Os>
-(and thus B<-O2>), but reduces code size further. B<-O3> is like B<-O2>,
+B<-O2> with extra optimizations to reduce code size. B<-O3> is like B<-O2>,
except that it enables optimizations that take longer to perform or that may
generate larger code (in an attempt to make the program run faster). On
supported platforms, B<-O4> enables link-time optimization; object files are