[flang-commits] [PATCH] D127783: [flang][runtime] Fix REWIND after non-advancing data transfer

Peter Klausler via Phabricator via flang-commits flang-commits at lists.llvm.org
Tue Jun 14 13:49:23 PDT 2022


klausler created this revision.
klausler added a project: Flang.
Herald added a subscriber: jdoerfert.
Herald added a project: All.
klausler requested review of this revision.

A REWIND of a unit that's in the middle of a record due to a READ
or WRITE statement with ADVANCE='NO' needs to reset the left tab
limit so that the next transfer takes place at the beginning of
the first record.


https://reviews.llvm.org/D127783

Files:
  flang/runtime/unit.cpp


Index: flang/runtime/unit.cpp
===================================================================
--- flang/runtime/unit.cpp
+++ flang/runtime/unit.cpp
@@ -649,6 +649,7 @@
   } else {
     SetPosition(0, handler);
     currentRecordNumber = 1;
+    leftTabLimit.reset();
   }
 }
 


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