[all-commits] [llvm/llvm-project] cfbde7: [flang][runtime] Catch more (all?) negative unit n...

Peter Klausler via All-commits all-commits at lists.llvm.org
Wed Jun 15 17:34:57 PDT 2022

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cfbde7149d8647a4ff2eef892a30ffc55605df2c
  Author: Peter Klausler <pklausler at nvidia.com>
  Date:   2022-06-15 (Wed, 15 Jun 2022)

  Changed paths:
    M flang/include/flang/Runtime/iostat.h
    M flang/runtime/io-api.cpp
    M flang/runtime/iostat.cpp
    M flang/runtime/unit-map.h
    M flang/runtime/unit.cpp
    M flang/runtime/unit.h

  Log Message:
  [flang][runtime] Catch more (all?) negative unit number errors

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.

Differential Revision: https://reviews.llvm.org/D127788

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