[LyX/2.2.x] Remove unused methods in anononymous namespace

[Jean-Marc Lasgouttes]

commit 10b8421ed6803381ab87a044d7407f48bcbc82ae
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Wed Oct 19 17:51:32 2016 +0200

    Remove unused methods in anononymous namespace
    
    These have been flagged by gcc 6.
    (cherry picked from commit 4065f596ada672c58787a0f9faa2278621545ab9)
---
 src/frontends/qt4/Menus.cpp    |    8 --------
 src/mathed/MathAutoCorrect.cpp |   14 +++++++-------
 src/mathed/MathParser.cpp      |   18 ------------------
 status.22x                     |    2 +-
 4 files changed, 8 insertions(+), 34 deletions(-)

diff --git a/src/frontends/qt4/Menus.cpp b/src/frontends/qt4/Menus.cpp
index 7403055..3dcdb3a 100644
--- a/src/frontends/qt4/Menus.cpp
+++ b/src/frontends/qt4/Menus.cpp
@@ -323,8 +323,6 @@ public:
        ///
        size_t size() const { return items_.size(); }
        ///
-       MenuItem const & operator[](size_t) const;
-       ///
        const_iterator begin() const { return items_.begin(); }
        ///
        const_iterator end() const { return items_.end(); }
@@ -686,12 +684,6 @@ void MenuDefinition::read(Lexer & lex)
 }
 
 
-MenuItem const & MenuDefinition::operator[](size_type i) const
-{
-       return items_[i];
-}
-
-
 bool MenuDefinition::hasFunc(FuncRequest const & func) const
 {
        for (const_iterator it = begin(), et = end(); it != et; ++it)
diff --git a/src/mathed/MathAutoCorrect.cpp b/src/mathed/MathAutoCorrect.cpp
index 3e1405b..484d5f0 100644
--- a/src/mathed/MathAutoCorrect.cpp
+++ b/src/mathed/MathAutoCorrect.cpp
@@ -72,13 +72,6 @@ bool Correction::read(idocstream & is)
 }
 
 
-void Correction::write(odocstream & os) const
-{
-       os << "from: '" << from1_ << "' and '" << from2_
-          << "' to '" << to_ << '\'' << endl;
-}
-
-
 bool Correction::correct(MathAtom & at, char_type c) const
 {
        //LYXERR(Debug::MATHED,
@@ -95,6 +88,13 @@ bool Correction::correct(MathAtom & at, char_type c) const
 
 
 #if 0
+void Correction::write(odocstream & os) const
+{
+       os << "from: '" << from1_ << "' and '" << from2_
+          << "' to '" << to_ << '\'' << endl;
+}
+
+
 idocstream & operator>>(idocstream & is, Correction & corr)
 {
        corr.read(is);
diff --git a/src/mathed/MathParser.cpp b/src/mathed/MathParser.cpp
index 2849b0f..f05af64 100644
--- a/src/mathed/MathParser.cpp
+++ b/src/mathed/MathParser.cpp
@@ -400,8 +400,6 @@ public:
        bool parse1(InsetMathGrid & grid, unsigned flags, mode_type mode,
                bool numbered);
        ///
-       MathData parse(unsigned flags, mode_type mode);
-       ///
        int lineno() const { return lineno_; }
        ///
        void putback();
@@ -434,8 +432,6 @@ private:
        ///
        void push_back(Token const & t);
        ///
-       void pop_back();
-       ///
        Token const & prevToken() const;
        ///
        Token const & nextToken() const;
@@ -500,12 +496,6 @@ void Parser::push_back(Token const & t)
 }
 
 
-void Parser::pop_back()
-{
-       tokens_.pop_back();
-}
-
-
 Token const & Parser::prevToken() const
 {
        static const Token dummy;
@@ -785,14 +775,6 @@ docstring Parser::parse_verbatim_item()
 }
 
 
-MathData Parser::parse(unsigned flags, mode_type mode)
-{
-       MathData ar(buffer_);
-       parse(ar, flags, mode);
-       return ar;
-}
-
-
 bool Parser::parse(MathData & array, unsigned flags, mode_type mode)
 {
        InsetMathGrid grid(buffer_, 1, 1);
diff --git a/status.22x b/status.22x
index 7dd223e..4eff954 100644
--- a/status.22x
+++ b/status.22x
@@ -119,4 +119,4 @@ What's new
 
 - Update boost source to 1.62.
 
-- fix compiler warnings from clang 3.9
+- fix compiler warnings from clang 3.9 and gcc 6.