On Fri, Jan 6, 2017 at 5:43 AM, Michael Paquier <michael.paqu...@gmail.com> wrote:
> If a variable is modified within PG_TRY and then referenced in > PG_CATCH it needs to be marked as volatile to be strictly in > conformance with POSIX. This also ensures that any compiler does not > do any stupid optimizations with those variables in the way they are > referenced and used. That sort of begs the question of why PG_exception_stack is not marked as volatile, since the macros themselves modify it within the PG_TRY block and reference it within the PG_CATCH block. Is there some reason this variable is immune to the problem? -- Kevin Grittner EDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
