From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Fri, 17 Feb 2017 22:12:14 +0000 (-0500)
Subject: Back-patch 9.4-era compiler warning fixes into older branches.
X-Git-Tag: REL9_2_21~51
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=edb02ed145d43fe2935bc478f4e5368f19b16a15;p=postgresql

Back-patch 9.4-era compiler warning fixes into older branches.

Back-patch commit 4e182361804f8688cef953c998e24134e606aea4
(another thing that longfin's version of clang doesn't like).
---

diff --git a/src/pl/plperl/plperl.c b/src/pl/plperl/plperl.c
index 703df790c2..5c0877b279 100644
--- a/src/pl/plperl/plperl.c
+++ b/src/pl/plperl/plperl.c
@@ -1778,7 +1778,7 @@ plperl_inline_handler(PG_FUNCTION_ARGS)
 	/* Set up a callback for error reporting */
 	pl_error_context.callback = plperl_inline_callback;
 	pl_error_context.previous = error_context_stack;
-	pl_error_context.arg = (Datum) 0;
+	pl_error_context.arg = NULL;
 	error_context_stack = &pl_error_context;
 
 	/*