The sample value must be equal or greater than the required minimum l…

…ength by the slice
dotnet · Oct 22, 2021 · f4331b1 · f4331b1
1 parent 7dc82d4
commit f4331b1
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/src/Compilers/CSharp/Portable/Binder/PatternExplainer.cs b/src/Compilers/CSharp/Portable/Binder/PatternExplainer.cs
@@ -288,8 +288,11 @@ string tryHandleListPattern(ref bool unnamedEnumValue)
  return null;
  }
 
- // The sample value must be equal or greater than the required minimum length by the slice.
- Debug.Assert(slice.StartIndex - slice.EndIndex <= lengthValue);
+ if (slice.StartIndex - slice.EndIndex <= lengthValue)
+ {
+ // The sample value must be equal or greater than the required minimum length by the slice.
+ return null;
+ }
  }
 
  var subpatterns = new ArrayBuilder<string>(lengthValue);