Peter Klausler c893e3d02d [flang][runtime] Fix runtime crash after bad recoverable OPEN (#111454) ...

When an OPEN statement with a unit number fails in a recoverable manner,
the runtime needs to delete the ExternalFileUnit instance that was
created in the unit map. And we do this too soon -- that instance still
holds some of the I/O statement state that will be used by a later call
into the runtime for EndIoStatement.

Move the code that deletes the unit after a failed but recoverable OPEN
into ExternalIoStatementBase::EndIoStatement, and don't do things
afterwards that would need the I/O statement state that has been
destroyed.

Fixes https://github.com/llvm/llvm-project/issues/111404.

2024-10-10 10:24:59 -07:00

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