jit-ir: Avoid crash in stack walk.

This can happen if something is data, I suppose, and not a valid block.
hrydgard · Jul 3, 2016 · 1de4943 · 1de4943
1 parent 4578c3c
commit 1de4943
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/Core/MIPS/IR/IRJit.cpp b/Core/MIPS/IR/IRJit.cpp
@@ -230,7 +230,10 @@ bool IRBlock::OverlapsRange(u32 addr, u32 size) {
 
 MIPSOpcode IRJit::GetOriginalOp(MIPSOpcode op) {
 	IRBlock *b = blocks_.GetBlock(op.encoding & 0xFFFFFF);
-	return b->GetOriginalFirstOp();
+	if (b) {
+		return b->GetOriginalFirstOp();
+	}
+	return op;
 }
 
 }  // namespace MIPSComp