Cross Module Optimization crash

Hi all, I have a strange problem with Cross Module Optimization. I use the LPC2300 Keil EV Board. If I compile the project in thumb mode it works all fine, but in Arm Mode it will crash!...
Cross Module Optimization crash

Hi all, I have a strange problem with Cross Module Optimization. I use the LPC2300 Keil EV Board. If I compile the project in thumb mode it works all fine, but in Arm Mode it will crash!...
How to apply "[Target]->[cross-module optimization]" to "*.lib"

I would like to delete no-reference methods on "*.lib" because optimizing ROM size. I tried to apply "[Target]->[cross-module optimization]" as true. But no-reference methods were not deleted. Why...
How to apply "[Target]->[cross-module optimization]" to "*.lib"

I would like to delete no-reference methods on "*.lib" because optimizing ROM size. I tried to apply "[Target]->[cross-module optimization]" as true. But no-reference methods were not deleted. Why...
Cross module optimzation

I want to know abt this feature. my code without this - run in 360ms & 7826 bytes with this - run in 470ms & 7286 bytes