Incorrect handling of failure for derived type instantiation

[nenanth]

trafficstars

github.zip

On MacOS (Big Sur 11.2.1, with package list below, Python 3.9.1), I tried instantiating multiply nested arrays of derived types. Beyond a certain array size for one of the types, instantiation throws an error (edit: segfault). More details below, code attached.

To trigger the error, set
nfc = 20 (instead of 10) in common/src/bemt/Source/pyint_modules/precision.F90

Compile as follows (assuming you start at the main folder after unzipping)

1. cd cmake; mkdir build; cd build
2. FC=gfortran cmake ../../ && make -j

Run with python3 driver.py in main folder

I've currently set my stack size limit with ulimit -s 65530 (cannot be unlimited on Mac, as far as I know) Package versions: Package Version

---

-umpy 1.20.0 amqp 5.0.2 billiard 3.6.3.0 click 7.1.2 click-didyoumean 0.0.3 click-plugins 1.1.1 click-repl 0.1.6 cycler 0.10.0 f90wrap 0.2.3 kiwisolver 1.3.1 kombu 5.0.2 matplotlib 3.3.4 mpi4py 3.0.3 numpy 1.20.0 pandas 1.2.1 Pillow 8.1.0 pip 21.0.1 prompt-toolkit 3.0.10 pyDOE 0.3.8 pyparsing 2.4.7 PyQt5-sip 4.19.24 python-dateutil 2.8.1 pytz 2020.5 PyYAML 5.4.1 scipy 1.6.0 setuptools 51.1.1 six 1.15.0 TBB 0.1 vine 5.0.0 wcwidth 0.2.5 wheel 0.36.2

[jameskermode]

Thanks for reporting. However, this is a huge amount of code. Please can you try to cut down to a minimal example which shows the problem? A single short fortran code + Python script would be ideal.