Jakub wrote a plugin which identified some non-reserved names being used
in our headers. The "count" one is actually a reserved name (there's
std::set::count and std::count and std::bitset::count) but we might as
well uglify it when used as a function parameter name. I think the "ext"
ones must have happened when moving function definitions from fs_path.cc
to fs_path.h and I forgot to change them.

The __cond::wait and __cond::wait_recursive member functions are using
non-reserved names, so that should be changed too, but this patch
doesn't fix that. I don't think we use the __gnu_cxx::__cond type in any
headers, so maybe that should just be moved into libsupc++/guard.cc or a
new header which is not installed and only used while building the
library.

libstdc++-v3/ChangeLog:

        * include/bits/fs_path.h (path::stem, path::extension)
        (path::has_stem, path::has_extension): Uglify ext parameter
        name.
        * include/ext/concurrence.h (__cond::wait, __cond::wait_recursive):
        Uglify mutex parameter names.
        * include/pstl/glue_algorithm_defs.h (generate_n): Uglify count
        parameter name.
        * include/std/ranges (zip_transform_view): Uglify Rs template
        parameter name.
        (__cartesian_is_sized_sentinel): Uglify FirstSent template
        parameter name.
        * include/tr1/riemann_zeta.tcc: Uglify max_size variable name.
---

I'm running the tests now.

 libstdc++-v3/include/bits/fs_path.h           | 20 +++++++++----------
 libstdc++-v3/include/ext/concurrence.h        |  8 ++++----
 .../include/pstl/glue_algorithm_defs.h        |  2 +-
 libstdc++-v3/include/std/ranges               | 10 ++++++----
 libstdc++-v3/include/tr1/riemann_zeta.tcc     |  4 ++--
 5 files changed, 23 insertions(+), 21 deletions(-)

diff --git a/libstdc++-v3/include/bits/fs_path.h 
b/libstdc++-v3/include/bits/fs_path.h
index 313c64bac43c..f0c8c47f0aed 100644
--- a/libstdc++-v3/include/bits/fs_path.h
+++ b/libstdc++-v3/include/bits/fs_path.h
@@ -1304,33 +1304,33 @@ namespace __detail
   inline path
   path::stem() const
   {
-    auto ext = _M_find_extension();
-    if (ext.first && ext.second != 0)
-      return path{ext.first->substr(0, ext.second)};
+    auto __ext = _M_find_extension();
+    if (__ext.first && __ext.second != 0)
+      return path{__ext.first->substr(0, __ext.second)};
     return {};
   }
 
   inline path
   path::extension() const
   {
-    auto ext = _M_find_extension();
-    if (ext.first && ext.second != string_type::npos)
-      return path{ext.first->substr(ext.second)};
+    auto __ext = _M_find_extension();
+    if (__ext.first && __ext.second != string_type::npos)
+      return path{__ext.first->substr(__ext.second)};
     return {};
   }
 
   inline bool
   path::has_stem() const noexcept
   {
-    auto ext = _M_find_extension();
-    return ext.first && ext.second != 0;
+    auto __ext = _M_find_extension();
+    return __ext.first && __ext.second != 0;
   }
 
   inline bool
   path::has_extension() const noexcept
   {
-    auto ext = _M_find_extension();
-    return ext.first && ext.second != string_type::npos;
+    auto __ext = _M_find_extension();
+    return __ext.first && __ext.second != string_type::npos;
   }
 
   inline bool
diff --git a/libstdc++-v3/include/ext/concurrence.h 
b/libstdc++-v3/include/ext/concurrence.h
index ed37fd8e2af9..b840bd3a7d73 100644
--- a/libstdc++-v3/include/ext/concurrence.h
+++ b/libstdc++-v3/include/ext/concurrence.h
@@ -290,22 +290,22 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 #endif
     }
 
-    void wait(__mutex *mutex)
+    void wait(__mutex *__mx)
     {
 #if __GTHREADS
       {
-         if (__gthread_cond_wait(&_M_cond, mutex->gthread_mutex()) != 0)
+         if (__gthread_cond_wait(&_M_cond, __mx->gthread_mutex()) != 0)
            __throw_concurrence_wait_error();
       }
 #endif
     }
 
-    void wait_recursive(__recursive_mutex *mutex)
+    void wait_recursive(__recursive_mutex *__mx)
     {
 #if __GTHREADS
       {
          if (__gthread_cond_wait_recursive(&_M_cond,
-                                           mutex->gthread_recursive_mutex())
+                                           __mx->gthread_recursive_mutex())
              != 0)
            __throw_concurrence_wait_error();
       }
diff --git a/libstdc++-v3/include/pstl/glue_algorithm_defs.h 
b/libstdc++-v3/include/pstl/glue_algorithm_defs.h
index e5260e15a1aa..d43112f8644a 100644
--- a/libstdc++-v3/include/pstl/glue_algorithm_defs.h
+++ b/libstdc++-v3/include/pstl/glue_algorithm_defs.h
@@ -202,7 +202,7 @@ generate(_ExecutionPolicy&& __exec, _ForwardIterator 
__first, _ForwardIterator _
 
 template <class _ExecutionPolicy, class _ForwardIterator, class _Size, class 
_Generator>
 __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, 
_ForwardIterator>
-generate_n(_ExecutionPolicy&& __exec, _ForwardIterator __first, _Size count, 
_Generator __g);
+generate_n(_ExecutionPolicy&& __exec, _ForwardIterator __first, _Size __count, 
_Generator __g);
 
 // [alg.remove]
 
diff --git a/libstdc++-v3/include/std/ranges b/libstdc++-v3/include/std/ranges
index 2cc17eb0f074..95e0109a10cf 100644
--- a/libstdc++-v3/include/std/ranges
+++ b/libstdc++-v3/include/std/ranges
@@ -5261,8 +5261,9 @@ namespace views::__adaptor
     { return _M_zip.size(); }
   };
 
-  template<class _Fp, class... Rs>
-    zip_transform_view(_Fp, Rs&&...) -> zip_transform_view<_Fp, 
views::all_t<Rs>...>;
+  template<class _Fp, class... _Rs>
+    zip_transform_view(_Fp, _Rs&&...)
+      -> zip_transform_view<_Fp, views::all_t<_Rs>...>;
 
   template<move_constructible _Fp, input_range... _Vs>
     requires (view<_Vs> && ...) && (sizeof...(_Vs) > 0) && is_object_v<_Fp>
@@ -8511,9 +8512,10 @@ namespace views::__adaptor
     template<typename... _Vs>
       concept __cartesian_product_is_sized = (sized_range<_Vs> && ...);
 
-    template<bool _Const, template<typename> class FirstSent, typename _First, 
typename... _Vs>
+    template<bool _Const, template<typename> class _FirstSent,
+            typename _First, typename... _Vs>
       concept __cartesian_is_sized_sentinel
-       = (sized_sentinel_for<FirstSent<__maybe_const_t<_Const, _First>>,
+       = (sized_sentinel_for<_FirstSent<__maybe_const_t<_Const, _First>>,
                              iterator_t<__maybe_const_t<_Const, _First>>>
           && ...
           && (sized_range<__maybe_const_t<_Const, _Vs>>
diff --git a/libstdc++-v3/include/tr1/riemann_zeta.tcc 
b/libstdc++-v3/include/tr1/riemann_zeta.tcc
index 8a0daf6bb159..c26ffdc762fa 100644
--- a/libstdc++-v3/include/tr1/riemann_zeta.tcc
+++ b/libstdc++-v3/include/tr1/riemann_zeta.tcc
@@ -83,9 +83,9 @@ namespace tr1
       if (__s < _Tp(1))
         std::__throw_domain_error(__N("Bad argument in zeta sum."));
 
-      const unsigned int max_iter = 10000;
+      const unsigned int __max_iter = 10000;
       _Tp __zeta = _Tp(0);
-      for (unsigned int __k = 1; __k < max_iter; ++__k)
+      for (unsigned int __k = 1; __k < __max_iter; ++__k)
         {
           _Tp __term = std::pow(static_cast<_Tp>(__k), -__s);
           if (__term < std::numeric_limits<_Tp>::epsilon())
-- 
2.53.0

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