re PR lto/55102 (The options -flto and -On do not behave as described in GCC docs)

re PR lto/55102 (The options -flto and -On do not behave as described in GCC docs)

2018-11-14  Sandra Loosemore  <sandra@codesourcery.com>

	PR lto/55102
	PR lto/56700

	gcc/
	* doc/invoke.texi (Optimize Options): Remove bad example about
	interaction between -flto and -O.  Replace it with a note that
	you need to compile with -O and not just link.  Copy-edit -flto
	discussion to reduce verbiage and improve flow.

From-SVN: r266168