Merge branch 'eldiener-develop' into develop

doc/container.qbk

@@ -1322,6 +1322,7 @@ use [*Boost.Container]? There are several reasons for that:
 * Fixed bugs:
    * [@https://github.com/boostorg/container/issues/144    GitHub #144: ['"GCC suggest-override warnings"]].
    * [@https://github.com/boostorg/container/issues/145    GitHub #145: ['"Allocations not handled correctly in some cases of vector move with unequal allocators"]].
+   * [@https://github.com/boostorg/container/pull/146      GitHub #146: ['"Changes for Embarcadero C++ clang-based compilers, targeting Boost 1.74. Addition needed for Embarcardero clang-based compilers"]].
    * [@https://github.com/boostorg/container/pull/148      GitHub #148: ['"Fix static initialization issues in pmr global resources"]].
 
 [endsect]

include/boost/container/pmr/memory_resource.hpp

@@ -53,6 +53,8 @@ class BOOST_CONTAINER_DECL memory_resource
    bool is_equal(const memory_resource& other) const BOOST_NOEXCEPT
    {  return this->do_is_equal(other);  }
    
+   #if !defined(BOOST_EMBTC)
+
    //! <b>Returns</b>:
    //!   `&a == &b || a.is_equal(b)`.
    friend bool operator==(const memory_resource& a, const memory_resource& b) BOOST_NOEXCEPT
@@ -63,6 +65,18 @@ class BOOST_CONTAINER_DECL memory_resource
    friend bool operator!=(const memory_resource& a, const memory_resource& b) BOOST_NOEXCEPT
    {  return !(a == b); }
    
+   #else
+   
+   //! <b>Returns</b>:
+   //!   `&a == &b || a.is_equal(b)`.
+   friend bool operator==(const memory_resource& a, const memory_resource& b) BOOST_NOEXCEPT;
+
+   //! <b>Returns</b>:
+   //!   !(a == b).
+   friend bool operator!=(const memory_resource& a, const memory_resource& b) BOOST_NOEXCEPT;
+   
+   #endif
+
    protected:
    //! <b>Requires</b>: Alignment shall be a power of two.
    //!
@@ -93,6 +107,20 @@ class BOOST_CONTAINER_DECL memory_resource
    virtual bool do_is_equal(const memory_resource& other) const BOOST_NOEXCEPT = 0;
 };
 
+#if defined(BOOST_EMBTC)
+
+//! <b>Returns</b>:
+//!   `&a == &b || a.is_equal(b)`.
+inline bool operator==(const memory_resource& a, const memory_resource& b) BOOST_NOEXCEPT
+{  return &a == &b || a.is_equal(b);   }
+
+//! <b>Returns</b>:
+//!   !(a == b).
+inline bool operator!=(const memory_resource& a, const memory_resource& b) BOOST_NOEXCEPT
+{  return !(a == b); }
+
+#endif
+   
 }  //namespace pmr {
 }  //namespace container {
 }  //namespace boost {

src/dlmalloc_2_8_6.c

@@ -1515,7 +1515,7 @@ LONG __cdecl _InterlockedExchange(LONG volatile *Target, LONG Value);
 #pragma intrinsic (_InterlockedExchange)
 #define interlockedcompareexchange _InterlockedCompareExchange
 #define interlockedexchange _InterlockedExchange
-#elif defined(WIN32) && defined(__GNUC__)
+#elif defined(WIN32) && (defined(__GNUC__) || defined(__clang__))
 #define interlockedcompareexchange(a, b, c) __sync_val_compare_and_swap(a, c, b)
 #define interlockedexchange __sync_lock_test_and_set
 #endif /* Win32 */