libANGLE: Declare copy operator if copy constructor is defined

src/libANGLE/AttributeMap.cpp

@@ -11,10 +11,12 @@
 namespace egl
 {
 
-AttributeMap::AttributeMap() {}
+AttributeMap::AttributeMap() = default;
 
 AttributeMap::AttributeMap(const AttributeMap &other) = default;
 
+AttributeMap &AttributeMap::operator=(const AttributeMap &other) = default;
+
 AttributeMap::~AttributeMap() = default;
 
 void AttributeMap::insert(EGLAttrib key, EGLAttrib value)

src/libANGLE/AttributeMap.h

@@ -22,6 +22,7 @@ class AttributeMap final
   public:
     AttributeMap();
     AttributeMap(const AttributeMap &other);
+    AttributeMap &operator=(const AttributeMap &other);
     ~AttributeMap();
 
     void insert(EGLAttrib key, EGLAttrib value);

src/libANGLE/Caps.cpp

@@ -34,6 +34,8 @@ TextureCaps::TextureCaps() = default;
 
 TextureCaps::TextureCaps(const TextureCaps &other) = default;
 
+TextureCaps &TextureCaps::operator=(const TextureCaps &other) = default;
+
 TextureCaps::~TextureCaps() = default;
 
 GLuint TextureCaps::getMaxSamples() const
@@ -1123,6 +1125,7 @@ void TypePrecision::get(GLint *returnRange, GLint *returnPrecision) const
 Caps::Caps()                  = default;
 Caps::Caps(const Caps &other) = default;
 Caps::~Caps()                 = default;
+Caps &Caps::operator=(const Caps &other) = default;
 
 Caps GenerateMinimumCaps(const Version &clientVersion, const Extensions &extensions)
 {

src/libANGLE/Caps.h

@@ -27,6 +27,8 @@ struct TextureCaps
 {
     TextureCaps();
     TextureCaps(const TextureCaps &other);
+    TextureCaps &operator=(const TextureCaps &other);
+
     ~TextureCaps();
 
     // Supports for basic texturing: glTexImage, glTexSubImage, etc
@@ -797,6 +799,8 @@ struct Caps
 {
     Caps();
     Caps(const Caps &other);
+    Caps &operator=(const Caps &other);
+
     ~Caps();
 
     // If the values could be got by using GetIntegeri_v, they should

src/libANGLE/renderer/gl/formatutilsgl.cpp

@@ -30,7 +30,9 @@ SupportRequirement::SupportRequirement()
 
 SupportRequirement::SupportRequirement(const SupportRequirement &other) = default;
 
-SupportRequirement::~SupportRequirement() {}
+SupportRequirement &SupportRequirement::operator=(const SupportRequirement &other) = default;
+
+SupportRequirement::~SupportRequirement() = default;
 
 InternalFormat::InternalFormat() : texture(), filter(), textureAttachment(), renderbuffer() {}
 

src/libANGLE/renderer/gl/formatutilsgl.h

@@ -33,6 +33,8 @@ struct SupportRequirement
 {
     SupportRequirement();
     SupportRequirement(const SupportRequirement &other);
+    SupportRequirement &operator=(const SupportRequirement &other);
+
     ~SupportRequirement();
 
     // Version that this format became supported without extensions