Don't allow reporting from bad savestates.

If the savestate was created with bad settings, or was loaded from an
older version, it may be damaged.  Let's not report old problems.

Core/HLE/sceKernel.cpp

@@ -261,6 +261,7 @@ void __KernelDoState(PointerWrap &p)
 
 		__InterruptsDoStateLate(p);
 		__KernelThreadingDoStateLate(p);
+		Reporting::DoState(p);
 	}
 }
 

Core/Reporting.cpp

@@ -214,6 +214,19 @@ namespace Reporting
 		Init();
 	}
 
+	void DoState(PointerWrap &p)
+	{
+		const int LATEST_VERSION = 1;
+		auto s = p.Section("Reporting", 0, LATEST_VERSION);
+		if (!s || s < LATEST_VERSION) {
+			// Don't report from old savestates, they may "entomb" bugs.
+			everUnsupported = true;
+			return;
+		}
+
+		p.Do(everUnsupported);
+	}
+
 	void UpdateConfig()
 	{
 		currentSupported = IsSupported();

Core/Reporting.h

@@ -35,12 +35,17 @@
 #define NOTICE_LOG_ONCE(n,t,...)  { if (Reporting::ShouldLogOnce(#n)) { NOTICE_LOG(t, __VA_ARGS__); } }
 #define INFO_LOG_ONCE(n,t,...)    { if (Reporting::ShouldLogOnce(#n)) { INFO_LOG(t, __VA_ARGS__); } }
 
+struct PointerWrap;
+
 namespace Reporting
 {
 	// Should be called whenever a new game is loaded/shutdown to forget things.
 	void Init();
 	void Shutdown();
 
+	// Check savestate compatibility, mostly needed on load.
+	void DoState(PointerWrap &p);
+
 	// Should be called whenever the game configuration changes.
 	void UpdateConfig();