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-rw-r--r--contrib/libc++/include/__config9
-rw-r--r--contrib/libc++/include/atomic17
-rw-r--r--contrib/libc++/include/string7
-rw-r--r--contrib/libc++/include/system_error2
4 files changed, 26 insertions, 9 deletions
diff --git a/contrib/libc++/include/__config b/contrib/libc++/include/__config
index 8288b46..051d12c 100644
--- a/contrib/libc++/include/__config
+++ b/contrib/libc++/include/__config
@@ -429,10 +429,15 @@ namespace std {
#define _LIBCPP_HAS_NO_CONSTEXPR
#endif
-// No version of GCC supports relaxed constexpr rules
+// Determine if GCC supports relaxed constexpr
+#if !defined(__cpp_constexpr) || __cpp_constexpr < 201304L
#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
+#endif
+
// GCC 5 will support variable templates
+#if !defined(__cpp_variable_templates) || __cpp_variable_templates < 201304L
#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
+#endif
#define _NOEXCEPT throw()
#define _NOEXCEPT_(x)
@@ -454,7 +459,6 @@ namespace std {
#else // __GXX_EXPERIMENTAL_CXX0X__
-#define _LIBCPP_HAS_NO_TRAILING_RETURN
#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS
#if _GNUC_VER < 403
@@ -468,6 +472,7 @@ namespace std {
#if _GNUC_VER < 404
#define _LIBCPP_HAS_NO_DECLTYPE
#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
+#define _LIBCPP_HAS_NO_TRAILING_RETURN
#define _LIBCPP_HAS_NO_UNICODE_CHARS
#define _LIBCPP_HAS_NO_VARIADICS
#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
diff --git a/contrib/libc++/include/atomic b/contrib/libc++/include/atomic
index 97a998d..92b9c4d 100644
--- a/contrib/libc++/include/atomic
+++ b/contrib/libc++/include/atomic
@@ -553,7 +553,18 @@ typedef enum memory_order
namespace __gcc_atomic {
template <typename _Tp>
struct __gcc_atomic_t {
- __gcc_atomic_t() _NOEXCEPT {}
+
+#if _GNUC_VER >= 501
+ static_assert(is_trivially_copyable<_Tp>::value,
+ "std::atomic<Tp> requires that 'Tp' be a trivially copyable type");
+#endif
+
+ _LIBCPP_INLINE_VISIBILITY
+#ifndef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
+ __gcc_atomic_t() _NOEXCEPT = default;
+#else
+ __gcc_atomic_t() _NOEXCEPT : __a_value() {}
+#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
_LIBCPP_CONSTEXPR explicit __gcc_atomic_t(_Tp value) _NOEXCEPT
: __a_value(value) {}
_Tp __a_value;
@@ -574,7 +585,7 @@ struct __can_assign {
sizeof(__test_atomic_assignable<_Tp, _Td>(1)) == sizeof(char);
};
-static inline constexpr int __to_gcc_order(memory_order __order) {
+static inline _LIBCPP_CONSTEXPR int __to_gcc_order(memory_order __order) {
// Avoid switch statement to make this a constexpr.
return __order == memory_order_relaxed ? __ATOMIC_RELAXED:
(__order == memory_order_acquire ? __ATOMIC_ACQUIRE:
@@ -584,7 +595,7 @@ static inline constexpr int __to_gcc_order(memory_order __order) {
__ATOMIC_CONSUME))));
}
-static inline constexpr int __to_gcc_failure_order(memory_order __order) {
+static inline _LIBCPP_CONSTEXPR int __to_gcc_failure_order(memory_order __order) {
// Avoid switch statement to make this a constexpr.
return __order == memory_order_relaxed ? __ATOMIC_RELAXED:
(__order == memory_order_acquire ? __ATOMIC_ACQUIRE:
diff --git a/contrib/libc++/include/string b/contrib/libc++/include/string
index 5777ee2..6e63ab1 100644
--- a/contrib/libc++/include/string
+++ b/contrib/libc++/include/string
@@ -1445,7 +1445,8 @@ public:
_LIBCPP_INLINE_VISIBILITY size_type length() const _NOEXCEPT {return size();}
_LIBCPP_INLINE_VISIBILITY size_type max_size() const _NOEXCEPT;
_LIBCPP_INLINE_VISIBILITY size_type capacity() const _NOEXCEPT
- {return (__is_long() ? __get_long_cap() : __min_cap) - 1;}
+ {return (__is_long() ? __get_long_cap()
+ : static_cast<size_type>(__min_cap)) - 1;}
void resize(size_type __n, value_type __c);
_LIBCPP_INLINE_VISIBILITY void resize(size_type __n) {resize(__n, value_type());}
@@ -1785,11 +1786,11 @@ private:
template <size_type __a> static
_LIBCPP_INLINE_VISIBILITY
size_type __align_it(size_type __s) _NOEXCEPT
- {return __s + (__a-1) & ~(__a-1);}
+ {return (__s + (__a-1)) & ~(__a-1);}
enum {__alignment = 16};
static _LIBCPP_INLINE_VISIBILITY
size_type __recommend(size_type __s) _NOEXCEPT
- {return (__s < __min_cap ? __min_cap :
+ {return (__s < __min_cap ? static_cast<size_type>(__min_cap) :
__align_it<sizeof(value_type) < __alignment ?
__alignment/sizeof(value_type) : 1 > (__s+1)) - 1;}
diff --git a/contrib/libc++/include/system_error b/contrib/libc++/include/system_error
index 66bf6d6..134bb32 100644
--- a/contrib/libc++/include/system_error
+++ b/contrib/libc++/include/system_error
@@ -371,7 +371,7 @@ public:
error_category() _NOEXCEPT;
#else
_LIBCPP_ALWAYS_INLINE
- _LIBCPP_CONSTEXPR_AFTER_CXX11 error_category() _NOEXCEPT _LIBCPP_DEFAULT;
+ _LIBCPP_CONSTEXPR_AFTER_CXX11 error_category() _NOEXCEPT _LIBCPP_DEFAULT
#endif
private:
error_category(const error_category&);// = delete;
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