Ouch. Here's a repro<div><br></div><div><div><font class="Apple-style-span" face="'courier new', monospace">PS C:\dev\test> <font class="Apple-style-span" color="#3333FF">ir</font></font></div><div><font class="Apple-style-span" face="'courier new', monospace">IronRuby 0.9.4.0 on .NET 2.0.50727.4927</font></div>
<div><font class="Apple-style-span" face="'courier new', monospace">Copyright (c) Microsoft Corporation. All rights reserved.</font></div><div><font class="Apple-style-span" face="'courier new', monospace"><br>
</font></div><div><font class="Apple-style-span" face="'courier new', monospace">>>> <font class="Apple-style-span" color="#3333FF">"hello".to_clr_string =~ "hello"</font></font></div>
<div><font class="Apple-style-span" face="'courier new', monospace"><br></font></div><div><font class="Apple-style-span" face="'courier new', monospace"><font class="Apple-style-span" color="#FF0000">Process is terminated due to StackOverflowException.</font></font></div>
<div><br></div><div>The windows appcrash dialog pops up: Here's what it says if it's at all useful</div><div><br></div><div><div><br></div><div>Problem signature:</div><div> Problem Event Name:<span class="Apple-tab-span" style="white-space:pre">        </span>APPCRASH</div>
<div> Application Name:<span class="Apple-tab-span" style="white-space:pre">        </span>ir.exe</div><div> Application Version:<span class="Apple-tab-span" style="white-space:pre">        </span>0.9.4.0</div><div> Application Timestamp:<span class="Apple-tab-span" style="white-space:pre">        </span>4b706fe1</div>
<div> Fault Module Name:<span class="Apple-tab-span" style="white-space:pre">        </span>KERNELBASE.dll</div><div> Fault Module Version:<span class="Apple-tab-span" style="white-space:pre">        </span>6.1.7600.16385</div><div> Fault Module Timestamp:<span class="Apple-tab-span" style="white-space:pre">        </span>4a5bdbdf</div>
<div> Exception Code:<span class="Apple-tab-span" style="white-space:pre">        </span>e053534f</div><div> Exception Offset:<span class="Apple-tab-span" style="white-space:pre">        </span>0000b727</div><div> OS Version:<span class="Apple-tab-span" style="white-space:pre">        </span>6.1.7600.2.0.0.256.48</div>
<div> Locale ID:<span class="Apple-tab-span" style="white-space:pre">        </span>5129</div><div><br></div></div><div><br></div><div><br></div></div>