Suppress warning in gcc-12

Author: jeroen

src/pch.h

@@ -2,3 +2,10 @@
 #include <libpq-fe.h>
 
 #include <plogr.h>
+
+// Temporary fix for false positive in gcc-12 (fixed in gcc-13)
+#if __GNUC__ == 12
+/*IGNORE*/ #pragma GCC diagnostic push
+/*IGNORE*/ #pragma GCC diagnostic ignored "-Wuse-after-free"
+#endif
+