Fix build.

Author: siegfriedpammer

ICSharpCode.Decompiler/CSharp/ExpressionBuilder.cs

@@ -3900,20 +3900,17 @@ protected internal override TranslatedExpression VisitIfInstruction(IfInstructio
 			}
 		}
 
-		internal (TranslatedExpression, IType) TranslateSwitchValue(SwitchInstruction inst, bool allowImplicitConversion)
+		internal (TranslatedExpression, IType, StringToInt) TranslateSwitchValue(SwitchInstruction inst, bool allowImplicitConversion)
 		{
 			TranslatedExpression value;
 			IType type;
 			if (inst.Value is StringToInt strToInt)
 			{
-				// switch-expression does not support implicit conversions at all,
-				// switch-statement does support implicit conversions in general, however, the rules are
-				// not very intuitive and in order to prevent bugs, we emit an explicit cast.
 				value = Translate(strToInt.Argument)
 					.ConvertTo(
 						strToInt.ExpectedType,
 						this,
-						allowImplicitConversion: false
+						allowImplicitConversion: allowImplicitConversion
 					);
 				type = compilation.FindType(KnownTypeCode.String);
 			}
@@ -3928,13 +3925,13 @@ protected internal override TranslatedExpression VisitIfInstruction(IfInstructio
 					type = inst.Type;
 				}
 			}
-			return (value, type);
+			return (value, type, strToInt);
 		}
 
 		protected internal override TranslatedExpression VisitSwitchInstruction(SwitchInstruction inst, TranslationContext context)
 		{
 			// switch-expression does not support implicit conversions
-			var (value, type) = TranslateSwitchValue(inst, allowImplicitConversion: false);
+			var (value, type, strToInt) = TranslateSwitchValue(inst, allowImplicitConversion: false);
 
 			IL.SwitchSection defaultSection = inst.GetDefaultSection();
 			SwitchExpression switchExpr = new SwitchExpression();

ICSharpCode.Decompiler/CSharp/StatementBuilder.cs

@@ -210,7 +210,7 @@ SwitchStatement TranslateSwitch(BlockContainer switchContainer, SwitchInstructio
 			var oldCaseLabelMapping = caseLabelMapping;
 			caseLabelMapping = new Dictionary<Block, ConstantResolveResult>();
 
-			var (value, type) = exprBuilder.TranslateSwitchValue(inst, allowImplicitConversion: true);
+			var (value, type, strToInt) = exprBuilder.TranslateSwitchValue(inst, allowImplicitConversion: true);
 
 			IL.SwitchSection defaultSection = inst.GetDefaultSection();