dev-util/github-cli: add new filter flags

This commits add `flag-o-matic` and add `-ggdb3` and `-flto*` in two seperate `fliter-flags` stanzas.

Closes: https://bugs.gentoo.org/847991
Signed-off-by: Randall T. Vasquez <ran.dall@icloud.com>
Signed-off-by: Sam James <sam@gentoo.org>

dev-util/github-cli/github-cli-9999.ebuild

@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
-inherit bash-completion-r1 go-module
+inherit bash-completion-r1 flag-o-matic go-module
 
 DESCRIPTION="GitHub CLI"
 HOMEPAGE="https://github.com/cli/cli"
@@ -35,6 +35,10 @@ src_unpack() {
 
 src_compile() {
 	[[ ${PV} == *9999 ]] || export GH_VERSION="v${PV}"
+	# Filter '-flto*' flags to avoid build failures.
+	filter-flags "-flto*"
+	# Filter '-ggdb3' flag to avoid build failures. bugs.gentoo.org/847991
+	filter-flags "-ggdb3"
 	# Go LDFLAGS are not the same as GCC/Binutils LDFLAGS
 	unset LDFLAGS
 	# Once we set up cross compiling, this line will need to be adjusted