[gcc r11-10540] libstdc++: Fix uses of non-reserved names in simd header

[Matthias Kretz <mkretz@gcc.gnu.org>]

https://gcc.gnu.org/g:5ecf4567452cf10d3f9970d414f1c21622c122f8

commit r11-10540-g5ecf4567452cf10d3f9970d414f1c21622c122f8
Author: Matthias Kretz <m.kretz@gsi.de>
Date:   Thu Feb 16 16:29:54 2023 +0100

    libstdc++: Fix uses of non-reserved names in simd header
    
    Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
    
    libstdc++-v3/ChangeLog:
    
            * include/experimental/bits/simd.h (__extract_part, split):
            Use reserved name for template parameter.
    
    (cherry picked from commit bb920f561e983c64d146f173dc4ebc098441a962)

Diff:
---
 libstdc++-v3/include/experimental/bits/simd.h | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/libstdc++-v3/include/experimental/bits/simd.h b/libstdc++-v3/include/experimental/bits/simd.h
index e9a07018cf0..cd811df7bfc 100644
--- a/libstdc++-v3/include/experimental/bits/simd.h
+++ b/libstdc++-v3/include/experimental/bits/simd.h
@@ -3595,7 +3595,7 @@ template <int _Index, int _Total, int _Combine = 1, typename _Tp, size_t _Np>
   _SimdWrapper<_Tp, _Np / _Total * _Combine>
   __extract_part(const _SimdWrapper<_Tp, _Np> __x);
 
-template <int Index, int Parts, int _Combine = 1, typename _Tp, typename _A0,
+template <int _Index, int _Parts, int _Combine = 1, typename _Tp, typename _A0,
 	  typename... _As>
   _GLIBCXX_SIMD_INTRINSIC auto
   __extract_part(const _SimdTuple<_Tp, _A0, _As...>& __x);
@@ -3708,19 +3708,19 @@ template <size_t... _Sizes, typename _Tp, typename... _As>
 
 // split<simd>(simd) {{{
 template <typename _V, typename _Ap,
-	  size_t Parts = simd_size_v<typename _V::value_type, _Ap> / _V::size()>
-  enable_if_t<simd_size_v<typename _V::value_type, _Ap> == Parts * _V::size()
-	      && is_simd_v<_V>, array<_V, Parts>>
+	  size_t _Parts = simd_size_v<typename _V::value_type, _Ap> / _V::size()>
+  enable_if_t<simd_size_v<typename _V::value_type, _Ap> == _Parts * _V::size()
+		&& is_simd_v<_V>, array<_V, _Parts>>
   split(const simd<typename _V::value_type, _Ap>& __x)
   {
     using _Tp = typename _V::value_type;
-    if constexpr (Parts == 1)
+    if constexpr (_Parts == 1)
       {
 	return {simd_cast<_V>(__x)};
       }
     else if (__x._M_is_constprop())
       {
-	return __generate_from_n_evaluations<Parts, array<_V, Parts>>([&](
+	return __generate_from_n_evaluations<_Parts, array<_V, _Parts>>([&](
 	  auto __i) constexpr {
 	  return _V([&](auto __j) constexpr {
 	    return __x[__i * _V::size() + __j];
@@ -3738,13 +3738,13 @@ template <typename _V, typename _Ap,
 #ifdef _GLIBCXX_SIMD_USE_ALIASING_LOADS
       const __may_alias<_Tp>* const __element_ptr
 	= reinterpret_cast<const __may_alias<_Tp>*>(&__data(__x));
-      return __generate_from_n_evaluations<Parts, array<_V, Parts>>([&](
+      return __generate_from_n_evaluations<_Parts, array<_V, _Parts>>([&](
 	auto __i) constexpr {
 	return _V(__element_ptr + __i * _V::size(), vector_aligned);
       });
 #else
       const auto& __xx = __data(__x);
-      return __generate_from_n_evaluations<Parts, array<_V, Parts>>([&](
+      return __generate_from_n_evaluations<_Parts, array<_V, _Parts>>([&](
 	auto __i) constexpr {
 	[[maybe_unused]] constexpr size_t __offset
 	  = decltype(__i)::value * _V::size();
@@ -3758,12 +3758,12 @@ template <typename _V, typename _Ap,
   else if constexpr (is_same_v<typename _V::abi_type, simd_abi::scalar>)
     {
       // normally memcpy should work here as well
-      return __generate_from_n_evaluations<Parts, array<_V, Parts>>([&](
+      return __generate_from_n_evaluations<_Parts, array<_V, _Parts>>([&](
 	auto __i) constexpr { return __x[__i]; });
     }
   else
     {
-      return __generate_from_n_evaluations<Parts, array<_V, Parts>>([&](
+      return __generate_from_n_evaluations<_Parts, array<_V, _Parts>>([&](
 	auto __i) constexpr {
 	if constexpr (__is_fixed_size_abi_v<typename _V::abi_type>)
 	  return _V([&](auto __j) constexpr {
@@ -3771,7 +3771,7 @@ template <typename _V, typename _Ap,
 	  });
 	else
 	  return _V(__private_init,
-		    __extract_part<decltype(__i)::value, Parts>(__data(__x)));
+		    __extract_part<decltype(__i)::value, _Parts>(__data(__x)));
       });
     }
   }