diff -Nru postgresql-15-15.2/debian/changelog postgresql-15-15.2/debian/changelog
--- postgresql-15-15.2/debian/changelog	2023-02-07 13:57:10.000000000 +0000
+++ postgresql-15-15.2/debian/changelog	2023-09-25 23:47:00.000000000 +0000
@@ -1,3 +1,10 @@
+postgresql-15 (15.2-1.1~rebuild1) lunar; urgency=medium
+
+  * Set -mtune=generic to avoid
+    https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106590.
+
+ -- Michael Hudson-Doyle <michael.hudson@ubuntu.com>  Tue, 26 Sep 2023 12:47:00 +1300
+
 postgresql-15 (15.2-1) unstable; urgency=medium
 
   * New upstream version.
diff -Nru postgresql-15-15.2/debian/rules postgresql-15-15.2/debian/rules
--- postgresql-15-15.2/debian/rules	2022-07-22 12:00:38.000000000 +0000
+++ postgresql-15-15.2/debian/rules	2023-09-25 23:47:00.000000000 +0000
@@ -3,3 +3,5 @@
 MAJOR_VER := 15
 
 include /usr/share/postgresql-common/server/postgresql.mk
+
+export DEB_CFLAGS_MAINT_APPEND=-mtune=generic