[all-commits] [llvm/llvm-project] b232a8: [flang] runtime: fix WRITE after BACKSPACE on vari...

[Peter Klausler via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b232a88c6fac07a2c4304d156a33664dbbe77a1b
      https://github.com/llvm/llvm-project/commit/b232a88c6fac07a2c4304d156a33664dbbe77a1b
  Author: peter klausler <pklausler at nvidia.com>
  Date:   2021-08-24 (Tue, 24 Aug 2021)

  Changed paths:
    M flang/runtime/unit.cpp

  Log Message:
  -----------
  [flang] runtime: fix WRITE after BACKSPACE on variable-length file

BACKSPACE leaves "recordLength" set, which is fine for a later READ,
but it causes a later WRITE to fail due to a misinterpretation of the
knowledge of the record length as indication of a fixed-length record
file (RECL=).  Fix.

Differential Revision: https://reviews.llvm.org/D108594