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segmentation violation signal raised

Hi

When I compile our program using ifort version 19.0.5.281 on CentOS Linux 7 on a cluster (https://documentation.sigma2.no/quick/saga.html), I get the following error:

/tmp/ifortEuRJGK.i90: catastrophic error: **Internal compiler error: segmentation violation signal raised**

The error was reproduced on a desktop with Ubuntu 18.04 and Ifort 19.0.0.20181018

The code compiles and works using GFortran.

I have not been able to reproduce the error  in a minimal  example, but I've made a version of the code were most is stripped away here: https://gitlab.com/rolf_h_myhre/eT/-/tree/minimal

The code compiles as is, but if line 63 in eT/src/wavefunctions/cc3/omega_cc3.F90 is uncommented, the compiler will crash.

I do not get a seg fault if the crash routine is called from the main module or

the routine does not have a generic interface or

the calling type does not extend another or

the molecular_system file is removed from the project.

Possibly related:

When compiling the master branch of the code (https://gitlab.com/eT-program/eT) with ifort 18, I get the same error when compiling the file eT/src/solvers/tdcc/cc_propagation_class.F90.

 

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