[flang-commits] [PATCH] D127788: [flang][runtime] Catch more (all?) negative unit number errors

[Peter Klausler via Phabricator via flang-commits]

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Fortran does have negative unit numbers -- they show up in child I/O
subroutines for defined I/O and for OPEN(NEWUNIT=) -- but the runtime
needs to catch the cases where a negative unit number that wasn't
generated by the runtime is passed in for OPEN or for an I/O statement
that would ordinarily create an anonymous "fort.NNN" file for a
hitherto unseen unit.


https://reviews.llvm.org/D127788

Files:
  flang/include/flang/Runtime/iostat.h
  flang/runtime/io-api.cpp
  flang/runtime/iostat.cpp
  flang/runtime/unit-map.h
  flang/runtime/unit.cpp
  flang/runtime/unit.h

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