2018-07-17  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

	* doc/gnat_ugn/about_this_guide.rst,
	doc/gnat_ugn/gnat_and_program_execution.rst: Remove references to gcov.
	* gnat_ugn.texi: Regenerate.

From-SVN: r262765