# Possible gfortran bug?

**URL:** <https://fortran-lang.discourse.group/t/possible-gfortran-bug/10579>\
**Category:** Help\
**Created:** [December 28, 2025, 10:03pm UTC](https://fortran-lang.discourse.group/t/possible-gfortran-bug/10579 "2025-12-28T22:03:54Z")\
**Posts on this page:** 1\
**Page:** 2

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**Author:** ![JerryD](https://yyz2.discourse-cdn.com/free1/user_avatar/fortran-lang.discourse.group/jerryd/32/393_2.png) [@JerryD](https://fortran-lang.discourse.group/u/JerryD)\
**Post date:** [January 1, 2026, 9:16pm UTC](https://fortran-lang.discourse.group/t/possible-gfortran-bug/10579/22 "2026-01-01T21:16:37Z")

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I have a patch in review to detect recursive I/O and issue a runtime error. We also have another PR open to detect this at compile time so people get a diagnostic error.

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