From 318c9101a3bc24e4cd1a89eeb52531988a11c89f Mon Sep 17 00:00:00 2001
From: Hans-Peter Nilsson <hp@axis.com>
Date: Fri, 3 Mar 2023 21:21:29 +0100
Subject: [PATCH] doc: Document testsuite check_effective_target_tail_call

Spot-checked the PDF output for sanity.

	* doc/sourcebuild.texi: Document check_effective_target_tail_call.
---
 gcc/doc/sourcebuild.texi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi
index c348a1e47cc3..80bef7f0a0e2 100644
--- a/gcc/doc/sourcebuild.texi
+++ b/gcc/doc/sourcebuild.texi
@@ -2844,6 +2844,9 @@ Target supports named sections.
 Target uses natural alignment (aligned to type size) for types of
 32 bits or less.
 
+@item tail_call
+Target supports tail-call optimizations.
+
 @item target_natural_alignment_64
 Target uses natural alignment (aligned to type size) for types of
 64 bits or less.
-- 
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