What is an internal compiler error?

[R. T. (Fortran Man)]

What is an internal compiler error?

[Lahey Support]

If the compiler produces an internal compiler error (ICE) it is unable to correctly handle the source or generate a syntax error, and is exiting as graceful as possible.

If you receive an ICE test the source with the current release of the compiler. The latest release is typically available as a trial at http://www.lahey.com. If using the current release make sure the latest patch has been applied. Patches are available at http://www.lahey.com/downloads.htm.

If the ICE is generated with the current release please notify Lahey Technical Support. In the report include a short example and the compiler options required to reproduce the error.