Make the detection of the unpin stloc more strict

icsharpcode · Nov 4, 2023 · 0e64adc · 0e64adc
1 parent c6cf74f
commit 0e64adc
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/ICSharpCode.Decompiler/IL/ControlFlow/DetectPinnedRegions.cs b/ICSharpCode.Decompiler/IL/ControlFlow/DetectPinnedRegions.cs
@@ -621,7 +621,8 @@ bool CreatePinnedRegion(Block block, StLoc stLoc)
 						{
 							unpinBlock = br.TargetBlock;
 						}
-						else if (innerBlock.Instructions[0].MatchIfInstruction(out _, out var trueInstr) &&
+						else if (innerBlock.Instructions.Count == 2 &&
+								innerBlock.Instructions[0].MatchIfInstruction(out _, out var trueInstr) &&
 								trueInstr is Branch trueBr && trueBr.TargetContainer == sourceContainer &&
 								reachedEdgesPerBlock[trueBr.TargetBlock.ChildIndex] == 0)
 						{