Arm gen_node_support.pl's nodetag ABI stability check in v16.

Per RELEASE_CHANGES checklist.

diff --git a/src/backend/nodes/gen_node_support.pl b/src/backend/nodes/gen_node_support.pl
index 72c79635781ed283476fa60f9afa528c1e8fe908..d67565b925c1d192cfc58654f92e07d832dcb06c 100644 (file)
--- a/src/backend/nodes/gen_node_support.pl
+++ b/src/backend/nodes/gen_node_support.pl
@@ -106,8 +106,8 @@ my @nodetag_only_files = qw(
 # In HEAD, these variables should be left undef, since we don't promise
 # ABI stability during development.
 
-my $last_nodetag = undef;
-my $last_nodetag_no = undef;
+my $last_nodetag = 'WindowObjectData';
+my $last_nodetag_no = 454;
 
 # output file names
 my @output_files;