Clang: The clang parser import should be considered to be an experimental feature for now. There are many problems to solve.

cli/cmdlineparser.cpp

@@ -972,11 +972,11 @@ void CmdLineParser::printHelp()
               "                         analysis is disabled by this flag.\n"
               "    --check-library      Show information messages when library files have\n"
               "                         incomplete info.\n"
-              "    --clang              Use Clang parser instead of the builtin Cppcheck\n"
-              "                         parser. Cppcheck executes `clang`. The Clang AST is\n"
-              "                         imported and converted into Cppcheck data. After that\n"
-              "                         the normal Cppcheck analysis is used. You must have\n"
-              "                         `clang` in PATH.\n"
+              "    --clang              Experimental: Use Clang parser instead of the builtin\n"
+              "                         Cppcheck parser. Cppcheck executes `clang`. The Clang\n"
+              "                         AST is imported and converted into Cppcheck data.\n"
+              "                         After that the normal Cppcheck analysis is used. You\n"
+              "                         must have `clang` in PATH.\n"
               "    --config-exclude=<dir>\n"
               "                         Path (prefix) to be excluded from configuration\n"
               "                         checking. Preprocessor configurations defined in\n"

gui/projectfiledialog.ui

@@ -445,7 +445,7 @@
           <item>
            <widget class="QRadioButton" name="mBtnClangParser">
             <property name="text">
-             <string>Clang</string>
+             <string>Clang (experimental)</string>
             </property>
            </widget>
           </item>

man/manual.md

@@ -108,9 +108,9 @@ This option is only valid when supplying an input directory. To ignore multiple
 
     cppcheck -isrc/b -isrc/c
 
-### Clang parser
+### Clang parser (experimental)
 
-By default Cppcheck uses an internal C/C++ parser. However it is possible to use the Clang parser instead.
+By default Cppcheck uses an internal C/C++ parser. However there is an experimental option to use the Clang parser instead.
 
 Install `clang`. Then use Cppcheck option `--clang`.