Fix exception when there is a branch before the start of a try block …

…in an iterator
Zhentar · Nov 29, 2016 · 6a1e79c · 6a1e79c · DingoDjango · Nov 29, 2016
1 parent 1a35677
commit 6a1e79c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ICSharpCode.Decompiler/ILAst/YieldReturnDecompiler.cs b/ICSharpCode.Decompiler/ILAst/YieldReturnDecompiler.cs
@@ -773,7 +773,7 @@ void ScanLine(YieldVMStat vm, int start, int stop)
 						if (!vm.addNewNode(node, m))
 							return;
 						//add in finally block
-						if (vm.tryBlockMapping.ContainsKey(m + 1) && vm.tryBlockMapping[m].blk == vm.tryBlockMapping[m + 1].blk &&
+						if (vm.tryBlockMapping.ContainsKey(m) && vm.tryBlockMapping.ContainsKey(m + 1) && vm.tryBlockMapping[m].blk == vm.tryBlockMapping[m + 1].blk &&
 						    vm.tryBlockMapping[m].nodelistRef != vm.tryBlockMapping[m + 1].nodelistRef)
 							ScanLine(vm, m + 1, vm.usefulList.Count);
 						if (lbPos < m)