Document __has_feature(objc_instancetype).
llvm-svn: 139299
diff --git a/clang/docs/LanguageExtensions.html b/clang/docs/LanguageExtensions.html
index 79c42fd..685544f 100644
--- a/clang/docs/LanguageExtensions.html
+++ b/clang/docs/LanguageExtensions.html
@@ -768,6 +768,9 @@
with a related result type is treated the same way as method that
returns <tt>id</tt>.</p>
+<p>Use <tt>__has_feature(objc_instancetype)</tt> to determine whether
+the <tt>instancetype</tt> contextual keyword is available.</p>
+
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<h2 id="objc_arc">Automatic reference counting </h2>
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