Fix a -Wdeprecated-copy warning.

src/libANGLE/angletypes.cpp

@@ -355,11 +355,9 @@ BlendStateExt::BlendStateExt(const size_t drawBuffers)
       mMaxDrawBuffers(drawBuffers)
 {}
 
-BlendStateExt &BlendStateExt::operator=(const BlendStateExt &other)
-{
-    memcpy(this, &other, sizeof(BlendStateExt));
-    return *this;
-}
+BlendStateExt::BlendStateExt(const BlendStateExt &other) = default;
+
+BlendStateExt &BlendStateExt::operator=(const BlendStateExt &other) = default;
 
 void BlendStateExt::setEnabled(const bool enabled)
 {

src/libANGLE/angletypes.h

@@ -579,6 +579,7 @@ class BlendStateExt final
 
     BlendStateExt(const size_t drawBuffers = 1);
 
+    BlendStateExt(const BlendStateExt &other);
     BlendStateExt &operator=(const BlendStateExt &other);
 
     ///////// Blending Toggle /////////
@@ -671,23 +672,23 @@ class BlendStateExt final
 
     ///////// Data Members /////////
 
-    const FactorStorage::Type mMaxFactorMask;
+    FactorStorage::Type mMaxFactorMask;
     FactorStorage::Type mSrcColor;
     FactorStorage::Type mDstColor;
     FactorStorage::Type mSrcAlpha;
     FactorStorage::Type mDstAlpha;
 
-    const EquationStorage::Type mMaxEquationMask;
+    EquationStorage::Type mMaxEquationMask;
     EquationStorage::Type mEquationColor;
     EquationStorage::Type mEquationAlpha;
 
-    const ColorMaskStorage::Type mMaxColorMask;
+    ColorMaskStorage::Type mMaxColorMask;
     ColorMaskStorage::Type mColorMask;
 
-    const DrawBufferMask mMaxEnabledMask;
+    DrawBufferMask mMaxEnabledMask;
     DrawBufferMask mEnabledMask;
 
-    const size_t mMaxDrawBuffers;
+    size_t mMaxDrawBuffers;
 };
 
 // Used in StateCache