Use emplace_* functions where in-place construction is preferable

Source/Core/VideoCommon/FramebufferManagerBase.cpp

@@ -128,9 +128,7 @@ void FramebufferManagerBase::CopyToVirtualXFB(u32 xfbAddr, u32 fbWidth, u32 fbHe
 		if (m_virtualXFBList.size() < MAX_VIRTUAL_XFB)
 		{
 			// create a new Virtual XFB and place it at the front of the list
-			VirtualXFB v;
-			memset(&v, 0, sizeof v);
-			m_virtualXFBList.push_front(v);
+			m_virtualXFBList.emplace_front();
 			vxfb = m_virtualXFBList.begin();
 		}
 		else

Source/Core/VideoCommon/FramebufferManagerBase.h

@@ -57,14 +57,16 @@ public:
 protected:
 	struct VirtualXFB
 	{
-		VirtualXFB() : xfbSource(nullptr) {}
+		VirtualXFB()
+		{
+		}
 
 		// Address and size in GameCube RAM
-		u32 xfbAddr;
-		u32 xfbWidth;
-		u32 xfbHeight;
+		u32 xfbAddr = 0;
+		u32 xfbWidth = 0;
+		u32 xfbHeight = 0;
 
-		XFBSourceBase *xfbSource;
+		XFBSourceBase* xfbSource = nullptr;
 	};
 
 	typedef std::list<VirtualXFB> VirtualXFBListType;

Source/Core/VideoCommon/PostProcessing.cpp

@@ -129,7 +129,7 @@ void PostProcessingShaderConfiguration::LoadOptions(const std::string& code)
 						IniFile::ParseLine(line, &key, &value);
 
 						if (!(key == "" && value == ""))
-							current_strings->m_options.push_back(std::make_pair(key, value));
+							current_strings->m_options.emplace_back(key, value);
 					}
 				}
 			}