catastrophic error: **Internal compiler error: segmentation violation signal raised** Please report this error along with the ci

Hi,

I received the following error:

ifort    -qopenmp -c mod_transition.f90

mod_transition.f90: catastrophic error: **Internal compiler error: segmentation violation signal raised** Please report this error along with the circumstances in which it occurred in a Software Problem Report.  Note: File and line given may not be explicit cause of this error.
compilation aborted for mod_transition.f90 (code 1)
Makefile:64: recipe for target 'mod_transition.o' failed
make: *** [mod_transition.o] Error 1

Using ifort/2017.1.132-GCC-6.3.0-2.27

I received the error after making some changes to the mod_transition.f90 file. But have since reverted to a previous commit which compiled fine, and the error still persists. I've found that compiling with the -g debug flag the error does not occur.

The problem also occurs if instead I use ifort/2017.1.132-GCC-5.4.0-2.26

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