Fix IndexOutOfRangeException when disassembling Debug assembly.

timcassell · timcassell · commit 7dca372b660c · 2025-11-29T04:02:11.000-05:00
diff --git a/src/BenchmarkDotNet/Disassemblers/SourceCodeProvider.cs b/src/BenchmarkDotNet/Disassemblers/SourceCodeProvider.cs
@@ -22,7 +22,7 @@ public void Dispose()
         internal IEnumerable<Sharp> GetSource(ClrMethod method, ILToNativeMap map)
         {
             var sourceLocation = GetSourceLocation(method, map.ILOffset);
-            if (sourceLocation == null)
+            if (sourceLocation is not { LineNumber: > 0 })
                 yield break;
 
             for (int line = sourceLocation.LineNumber; line <= sourceLocation.LineNumberEnd; ++line)

Original file line number	Diff line number	Diff line change
`@@ -22,7 +22,7 @@ public void Dispose()`
`22`	`22`	`internal IEnumerable<Sharp> GetSource(ClrMethod method, ILToNativeMap map)`
`23`	`23`	`{`
`24`	`24`	`var sourceLocation = GetSourceLocation(method, map.ILOffset);`
`25`		`- if (sourceLocation == null)`
	`25`	`+ if (sourceLocation is not { LineNumber: > 0 })`
`26`	`26`	`yield break;`
`27`	`27`
`28`	`28`	`for (int line = sourceLocation.LineNumber; line <= sourceLocation.LineNumberEnd; ++line)`