[flang-commits] [flang] [flang][runtime] Ensure that the anonymous unit returned by LookUpOrCreateAnonymous has been opened. (PR #74468)

[Peter Klausler via flang-commits]

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@@ -20,6 +20,7 @@ namespace Fortran::runtime::io {
 // The per-unit data structures are created on demand so that Fortran I/O
 // should work without a Fortran main program.
 static Lock unitMapLock;
+static Lock createOpenLock;
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klausler wrote:

This lock can be declared static in the only function that uses it.

https://github.com/llvm/llvm-project/pull/74468