From 8498e0dbcc1a202266f9b50eaeac99b48fc83402 Mon Sep 17 00:00:00 2001
From: Atsushi Eno <atsushieno@gmail.com>
Date: Mon, 2 Jun 2014 17:48:00 +0900
Subject: [PATCH] [MS.Build] ProjectOnErrorInstance should not cause build
 failure.

---
 .../Microsoft.Build/Microsoft.Build.Internal/BuildEngine4.cs  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mcs/class/Microsoft.Build/Microsoft.Build.Internal/BuildEngine4.cs b/mcs/class/Microsoft.Build/Microsoft.Build.Internal/BuildEngine4.cs
index 3bdb9bb6f928..1f501683ce27 100644
--- a/mcs/class/Microsoft.Build/Microsoft.Build.Internal/BuildEngine4.cs
+++ b/mcs/class/Microsoft.Build/Microsoft.Build.Internal/BuildEngine4.cs
@@ -285,6 +285,10 @@ bool DoBuildTarget (ProjectTargetInstance target, TargetResult targetResult, Int
 						continue;
 					}
 
+					var onError = child as ProjectOnErrorInstance;
+					if (onError != null)
+						continue; // evaluated under catch clause.
+
 					throw new NotSupportedException (string.Format ("Unexpected Target element children \"{0}\"", child.GetType ()));
 				}
 			} catch (Exception ex) {