[all-commits] [llvm/llvm-project] 652774: [flang][runtime] Allow record advancement in child...

[Peter Klausler via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 65277494f04da7c4fd5903138d057c0faac7ba9a
      https://github.com/llvm/llvm-project/commit/65277494f04da7c4fd5903138d057c0faac7ba9a
  Author: Peter Klausler <pklausler at nvidia.com>
  Date:   2023-02-16 (Thu, 16 Feb 2023)

  Changed paths:
    M flang/runtime/io-stmt.cpp

  Log Message:
  -----------
  [flang][runtime] Allow record advancement in child I/O via '/' control edit descriptor

My earlier misreading of the Fortran standards had convinced me that child I/O
-- meaning the use of user-defined subroutines via generic interfaces to implement
data transfer statements -- was not allowed to advance the current record in the
ultimate unit of the original (non-child parent) data transfer statement.
This turns out to be wrong, so forward AdvanceRecord() from ChildFormattedIoStatement<>
to its parent I/O statement rather than implementing it as a no-op.

Differential Revision: https://reviews.llvm.org/D144205