SPEC-2513 Fixes to enable w4324 (#1197)

* Fix warning 4324

* warning that doesnt trigger anything

* missed warning

Code/Framework/AzCore/AzCore/PlatformDef.h

@@ -96,7 +96,12 @@
 #endif
 
 /// Aligns a declaration.
-#   define AZ_ALIGN(_decl, _alignment) __declspec(align(_alignment)) _decl
+#   define AZ_ALIGN(_decl, _alignment) \
+    AZ_PUSH_DISABLE_WARNING(4324, "-Wunknown-warning-option") \
+    __declspec(align(_alignment)) \
+    _decl \
+    AZ_POP_DISABLE_WARNING
+
 /// Return the alignment of a type. This if for internal use only (use AZStd::alignment_of<>())
 #   define AZ_INTERNAL_ALIGNMENT_OF(_type) __alignof(_type)
 /// Pointer will be aliased.
@@ -123,7 +128,12 @@
 
 #   define AZ_FORCE_INLINE  inline
 /// Aligns a declaration.
-#   define AZ_ALIGN(_decl, _alignment) _decl __attribute__((aligned(_alignment)))
+#   define AZ_ALIGN(_decl, _alignment) \
+    AZ_PUSH_DISABLE_WARNING(4324, "-Wunknown-warning-option") \
+    _decl \
+    __attribute__((aligned(_alignment)))
+    AZ_POP_DISABLE_WARNING
+
 /// Return the alignment of a type. This if for internal use only (use AZStd::alignment_of<>())
 #   define AZ_INTERNAL_ALIGNMENT_OF(_type) __alignof__(_type)
 /// Pointer will be aliased.

Code/Framework/AzNetworking/AzNetworking/Utilities/QuantizedValues.h

@@ -180,10 +180,7 @@ namespace AzNetworking
         //! Takes a quantized integral value and stores the floating point representation.
         void DecodeQuantizedValues();
 
-#   if defined AZ_COMPILER_MSVC
-#       pragma warning(push)
-#       pragma warning(disable:4201) // anonymous union
-#   endif
+        AZ_PUSH_DISABLE_WARNING(4201 4324, "-Wunknown-warning-option") // anonymous union, structure was padded due to alignment
         union
         {
             float m_quantizedValues[NUM_ELEMENTS];
@@ -195,9 +192,7 @@ namespace AzNetworking
             uint32_t m_serializeValues[NUM_ELEMENTS];
             SimdTypei m_serializeVector;
         };
-#   if defined AZ_COMPILER_MSVC
-#       pragma warning(pop)
-#   endif
+        AZ_POP_DISABLE_WARNING
 
         template <AZStd::size_t NUM_ELEMENTS2, AZStd::size_t NUM_BYTES2, int32_t MIN_VALUE2, int32_t MAX_VALUE2>
         friend struct QuantizedValuesConversionHelper;