--- a/eclass/toolchain.eclass	2017-11-16 00:39:18.920957992 +0100
+++ b/eclass/toolchain.eclass	2017-11-17 02:44:45.081607713 +0100
@@ -641,6 +641,12 @@ do_gcc_PIE_patches() {
 make_gcc_hard() {
 
 	local gcc_hard_flags=""
+	# If we use gcc-6 or newer with pie enable to compile older gcc-5 we need to pass -no-pie
+	# to stage1 #618908
+	if tc_version_is_at_least 5.0 && [[ gcc-major-version -lt 6 ]] ; then
+		sed -i -e "/^STAGE1_LDFLAGS/ s/$/ -no-pie/" "${S}"/Makefile.in || die
+	fi
+	
 	# Gcc >= 6.X we can use configurations options to turn pie/ssp on as default
 	if tc_version_is_at_least 6.0 ; then
 		if use pie ; then