From bdb10186618ebb73ebf09b44037faa6829dce0f4 Mon Sep 17 00:00:00 2001
From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Mon, 21 Nov 2011 20:54:59 +0000
Subject: [PATCH] Add stub section to the user manual for C++ language
 features, and document -ftemplate-depth= and -fconstexpr-depth= in it.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145049 91177308-0d34-0410-b5e6-96231b3b80d8
---
 docs/UsersManual.html | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/docs/UsersManual.html b/docs/UsersManual.html
index efeb0919a7..91799f39b3 100644
--- a/docs/UsersManual.html
+++ b/docs/UsersManual.html
@@ -56,6 +56,11 @@ td {
   <li><a href="#c_ms">Microsoft extensions</a></li>
   </ul>
 </li>
+<li><a href="#cxx">C++ Language Features</a>
+  <ul>
+  <li><a href="#cxx_implimits">Controlling implementation limits</a></li>
+  </ul>
+</li>
 <li><a href="#target_features">Target-Specific Features and Limitations</a>
   <ul>
   <li><a href="#target_arch">CPU Architectures Features and Limitations</a>
@@ -106,7 +111,7 @@ corresponding language specific section:</p>
     (C89+AMD1), ISO C99 (+TC1, TC2, TC3). </li>
 <li><a href="#objc">Objective-C Language</a>: ObjC 1, ObjC 2, ObjC 2.1, plus
     variants depending on base language.</li>
-<li><a href="#cxx">C++ Language Features</a></li>
+<li><a href="#cxx">C++ Language</a></li>
 <li><a href="#objcxx">Objective C++ Language</a></li>
 </ul>
 
@@ -987,6 +992,25 @@ however where MSVC and GCC are incompatible clang follows the MSVC
 definition.</li>
 </ul>
 
+<!-- ======================================================================= -->
+<h2 id="cxx">C++ Language Features</h2>
+<!-- ======================================================================= -->
+
+<p>clang fully implements all of standard C++98 except for exported templates
+(which were removed in C++11), and
+<a href="http://clang.llvm.org/cxx_status.html">many C++11 features</a> are also
+implemented.</p>
+
+<!-- = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = -->
+<h3 id="cxx_implimits">Controlling implementation limits</h3>
+<!-- = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = -->
+
+<p><b>-fconstexpr-depth=N</b>: Sets the limit for recursive constexpr function
+invocations to N. The default is 512.</p>
+
+<p><b>-ftemplate-depth=N</b>: Sets the limit for recursively nested template
+instantiations to N. The default is 1024.</p>
+
 <!-- ======================================================================= -->
 <h2 id="target_features">Target-Specific Features and Limitations</h2>
 <!-- ======================================================================= -->
-- 
2.40.0