fix: work around ifx impure function-ref bug #83
Merged
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According to the Fortran 2023 interpretation document requirement R1520 and R1521, a function-reference contains non-optional parentheses, which makes it standard-conforming to reference the user-defined generic
operator(==)
that is bound to the derived typetest_description_t
. For now, however, we make the operatorimpure
to work around a compiler bug.