Crashes the Mono 3.2.0 compiler

crash compiler

public class MainThing
  {
		public static void Main(string[] args)
		{
			var foo = new Foo();
			foo.Die();
		}
	}

	public class Foo
	{
		public string s = "";
		public void Die()
		{
			// this line throws a valid compiler error
			///Error CS0201: Only assignment, call, increment, decrement, await, and new object expressions can be used as a statement (CS0201) (JuhaTweet)
			//(s == "hello" ? MarkAsSent() : MarkAsDraft());

			//this does too: 
			/*
			Action zzz = () => {
				int i = 4;
				switch (i)
				{
					case 4:
						(s == "hello" ? MarkAsSent () : MarkAsDraft ());
						break;
				}
			}; 
			zzz ();
*/

			//this crashes the compiler
			Task.Factory.StartNew (() => {
				int i = 4;
				switch (i)
				{
					case 4:
						(s == "hello" ? MarkAsSent () : MarkAsDraft ());
						break;
				}
			});

			/*
			 * Building: JuhaTweet (Debug|x86)
Performing main compilation...
/Library/Frameworks/Mono.framework/Versions/3.2.0/bin/mcs /noconfig "/r:/Library/Frameworks/Mono.framework/Versions/3.2.0/lib/mono/4.5/mscorlib.dll" 
-nostdlib "/out:/Users/nic/code/temp/JuhaTweet/JuhaTweet/bin/Debug/JuhaTweet.exe" "/r:/Library/Frameworks/Mono.framework/Versions/3.2.0/lib/mono/4.5/System.dll" 
"/r:/Users/nic/code/temp/JuhaTweet/packages/LinqToTwitter.2.1.07/lib/net40/LinqToTwitter.dll" 
"/r:/Library/Frameworks/Mono.framework/Versions/3.2.0/lib/mono/4.5/System.Core.dll" 
"/r:/Library/Frameworks/Mono.framework/Versions/3.2.0/lib/mono/4.5/System.Core.dll" 
/nologo /warn:4 /debug:full /optimize- /codepage:utf8 /platform:x86 "/define:DEBUG"  
/t:exe "/Users/nic/code/temp/JuhaTweet/JuhaTweet/Program.cs" "/Users/nic/code/temp/JuhaTweet/JuhaTweet/Properties/AssemblyInfo.cs" 
Compilation failed: 2 error(s), 0 warnings



Build complete -- 1 error, 0 warnings
			 * 
			 * 
*/
		}
		void MarkAsSent () {
		}
		void MarkAsDraft() {

		}
	}