[flang] Support legacy extension OPEN(ACCESS='APPEND')
authorpeter klausler <pklausler@nvidia.com>
Wed, 12 May 2021 19:03:21 +0000 (12:03 -0700)
committerpeter klausler <pklausler@nvidia.com>
Thu, 13 May 2021 18:51:20 +0000 (11:51 -0700)
commit72abc199772c30ea2cffaa5dd4a8aa2bb2b7f18c
tree58d0ee069339b3e826493205020cccfbf815b70a
parentfe319a8848f2343829925850a3969861d8d6a64c
[flang] Support legacy extension OPEN(ACCESS='APPEND')

It should of course be POSITION='APPEND' but Sun Fortran
supported it on ACCESS=.

Differential Revision: https://reviews.llvm.org/D102350
flang/docs/Extensions.md
flang/include/flang/Common/Fortran-features.h
flang/lib/Semantics/check-io.cpp
flang/runtime/io-api.cpp