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This repository starts as a collection of reproducers from many of the Fortran compiler bug reports I have made over the years. It comprises the more recent bug reproducers for contemporary compilers. My initial goal was simply to gather them to a central canonical location, and make them accessible to a few interested people. I also wanted to be able to easily run the tests and clearly see which tests are passing and failing.
Note that the number of tests for a given compiler is a reflection of my level of engagement with the compiler, and should not be construed as an indication of its quality. Quality, from the perspective of my usage, is measured more by the number of failing tests.
The development of comprehensive test suites for specific Fortran 2003 and later features, such as deferred-length allocatable character variables or parametrized derived data types, is a possible future goal. I’m fed up with Fortran compilers that claim support for a feature, but have a half-assed implementation that only works for simple usage and fails badly for more complex usage. A test suite that could thoroughly probe an implementation would help shed the light of reality on the claims.
Contributions of tests or suggestions for improving the usefulness of this project are most welcome – make a pull request.