tree 487ca08bf5d71c70cd83a81a0e4fd283d5df0e88
parent b3244026810be0d5c77b1224916091264c581158
author Peter Klausler <pklausler@nvidia.com> 1658795235 -0700
committer Copybara-Service <copybara-worker@google.com> 1659902208 -0700

[flang][runtime] Catch & report attempts at recursive I/O

When an I/O statement contains a function call that attempts
to perform I/O on the same unit, detect the recursive I/O
and terminate with a useful message rather than deadlocking in
the threading library.

Differential Revision: https://reviews.llvm.org/D131097

GitOrigin-RevId: 921316af6e6b34d57d5e8f26f86f2bce8d034c7f