[PATCH] D112351: [flang] Fix crash on empty formatted external READs

[Peter Klausler via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGce71f8e01742: [flang] Fix crash on empty formatted external READs (authored by klausler).
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D112351/new/

https://reviews.llvm.org/D112351

Files:
  flang/runtime/io-stmt.cpp


Index: flang/runtime/io-stmt.cpp
===================================================================
--- flang/runtime/io-stmt.cpp
+++ flang/runtime/io-stmt.cpp
@@ -388,6 +388,9 @@
 
 template <Direction DIR, typename CHAR>
 int ExternalFormattedIoStatementState<DIR, CHAR>::EndIoStatement() {
+  if constexpr (DIR == Direction::Input) {
+    this->BeginReadingRecord(); // in case there were no I/O items
+  }
   format_.Finish(*this);
   return ExternalIoStatementState<DIR>::EndIoStatement();
 }


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