# IronRuby 1.0rc2 - crash calling =~ on clr string

**URL:** <https://www.ruby-forum.com/t/ironruby-1-0rc2-crash-calling-on-clr-string/183649>\
**Category:** IronRuby\
**Created:** [February 18, 2010, 4:17am UTC](https://www.ruby-forum.com/t/ironruby-1-0rc2-crash-calling-on-clr-string/183649 "2010-02-18T04:17:58Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Orion\_E](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/o/65b543/32.png) [@Orion\_E](https://www.ruby-forum.com/u/Orion_E)\
**Post date:** [February 18, 2010, 4:17am UTC](https://www.ruby-forum.com/t/ironruby-1-0rc2-crash-calling-on-clr-string/183649/1 "2010-02-18T04:17:58Z")

</div>

Ouch. Here’s a repro

PS C:\dev\test\> ir  
IronRuby 0.9.4.0 on .NET 2.0.50727.4927  
Copyright © Microsoft Corporation. All rights reserved.

> > > “hello”.to\_clr\_string =~ “hello”

Process is terminated due to StackOverflowException.

The windows appcrash dialog pops up: Here’s what it says if it’s at all  
useful

Problem signature:  
Problem Event Name: APPCRASH  
Application Name: ir.exe  
Application Version: 0.9.4.0  
Application Timestamp: 4b706fe1  
Fault Module Name: KERNELBASE.dll  
Fault Module Version: 6.1.7600.16385  
Fault Module Timestamp: 4a5bdbdf  
Exception Code: e053534f  
Exception Offset: 0000b727  
OS Version: 6.1.7600.2.0.0.256.48  
Locale ID: 5129