Fix compiler warning in unistr function

Some compilers are not aware that elog/ereport ERROR does not return.

diff --git a/src/backend/utils/adt/varlena.c b/src/backend/utils/adt/varlena.c
index efc74e8f2d70fb46ac57046eed88dfd3d8eb2003..0c6e5f24ba1f94b3f55a0ca5f65755235e1d1966 100644 (file)
--- a/src/backend/utils/adt/varlena.c
+++ b/src/backend/utils/adt/varlena.c
@@ -6589,4 +6589,5 @@ invalid_pair:
        ereport(ERROR,
                        (errcode(ERRCODE_SYNTAX_ERROR),
                         errmsg("invalid Unicode surrogate pair")));
+       PG_RETURN_NULL();                       /* keep compiler quiet */
 }