Change from IMMUTABLE to VOLATILE, conform to the upstream
Spotted by Heikki Linnakangas.
@@ -184,7 +184,7 @@ CreateProceduralLanguage(CreatePLangStmt *stmt)
false, /* isWindowFunc */
false, /* security_definer */
true, /* isStrict */
- PROVOLATILE_IMMUTABLE, // GPDB_90_MERGE_FIXME: why is this is IMMUTABLE in GPDB, when it's VOLATILE in the upstream?
+ PROVOLATILE_VOLATILE,
buildoidvector(funcargtypes, 1),
PointerGetDatum(NULL),
PointerGetDatum(NULL),
