From b4d4c8f6213a7fde62ec455c64c187b08ef0b230 Mon Sep 17 00:00:00 2001
From: Siegfried Pammer <siegfriedpammer@gmail.com>
Date: Sat, 4 Jul 2026 13:16:52 +0200
Subject: [PATCH] Add pretty test for compound assignment with checked
 operators

Compound assignments selecting between op_Addition and
op_CheckedAddition across a checked block boundary were not
covered.

Assisted-by: Claude:claude-fable-5:Claude Code
---
 .../TestCases/Pretty/Operators.cs                | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/ICSharpCode.Decompiler.Tests/TestCases/Pretty/Operators.cs b/ICSharpCode.Decompiler.Tests/TestCases/Pretty/Operators.cs
index 96a033415..3d93fad27 100644
--- a/ICSharpCode.Decompiler.Tests/TestCases/Pretty/Operators.cs
+++ b/ICSharpCode.Decompiler.Tests/TestCases/Pretty/Operators.cs
@@ -294,5 +294,21 @@ namespace ICSharpCode.Decompiler.Tests.TestCases.Pretty
 #endif
 			a = num;
 		}
+#if CS110
+		public void CheckedCompoundAssign()
+		{
+			a += b;
+			a -= b;
+			checked
+			{
+				a += b;
+				a -= b;
+				a *= b;
+				a /= b;
+			}
+			// force end of checked block:
+			++a;
+		}
+#endif
 	}
 }
\ No newline at end of file