Fix a potential issue when someone has a CPU core that isn't availabl…

…e on that host set in the INI file, it would just fail out. Now it defaults to interpreter.

Source/Core/Core/Src/PowerPC/JitInterface.cpp

@@ -81,6 +81,7 @@ namespace JitInterface
 			default:
 			{
 				PanicAlert("Unrecognizable cpu_core: %d", core);
+				jit = NULL;
 				return NULL;
 				break;
 			}

Source/Core/Core/Src/PowerPC/JitInterface.h

@@ -51,6 +51,3 @@ namespace JitInterface
 extern bool bFakeVMEM;
 extern bool bMMU;
 
-#ifdef _M_ARM
-#include "JitArm32/Jit.h"
-#endif

Source/Core/Core/Src/PowerPC/PowerPC.cpp

@@ -161,13 +161,18 @@ void Init(int cpu_core)
 
 	switch (cpu_core)
 	{
-	case 0:
+		case 0:
 		{
 			cpu_core_base = interpreter;
 			break;
 		}
 		default:
 			cpu_core_base = JitInterface::InitJitCore(cpu_core);
+			if (!cpu_core_base) // Handle Situations where JIT core isn't available
+			{
+				WARN_LOG(POWERPC, "Jit core %d not available. Defaulting to interpreter.", cpu_core);
+				cpu_core_base = interpreter;
+			}
 		break;
 	}
 
@@ -213,6 +218,8 @@ void SetMode(CoreMode new_mode)
 	case MODE_JIT:  // Switching from interpreter to JIT.
 		// Don't really need to do much. It'll work, the cache will refill itself.
 		cpu_core_base = JitInterface::GetCore();
+		if (!cpu_core_base) // Has a chance to not get a working JIT core if one isn't active on host
+			cpu_core_base = interpreter;
 		break;
 	}
 }