[PATCH] D88675: [flang] Fix WRITE after BACKSPACE

[Peter Klausler via Phabricator via llvm-commits]

klausler created this revision.
klausler added a reviewer: tskeith.
klausler added a project: Flang.
Herald added a reviewer: jdoerfert.
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klausler requested review of this revision.

A WRITE to an unformatted sequential variable-length unit after
a BACKSPACE needs to forget its previous knowledge of the length
of the record that's about to be overwritten, and a BACKSPACE
after an ENDFILE or at the start of the file needs to be a no-op.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D88675

Files:
  flang/runtime/io-api.cpp
  flang/runtime/unit.cpp

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