[flang-commits] [PATCH] D112738: [flang] Fix crash on "call system_clock(count_max=j)"

Peter Klausler via Phabricator via flang-commits flang-commits at lists.llvm.org
Thu Oct 28 11:09:03 PDT 2021


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

An erroneous entry in the intrinsics table causes semantics to
crash on a call to system_clock if the optional "count_max="
argument appears and "count=" does not.


https://reviews.llvm.org/D112738

Files:
  flang/lib/Evaluate/intrinsics.cpp


Index: flang/lib/Evaluate/intrinsics.cpp
===================================================================
--- flang/lib/Evaluate/intrinsics.cpp
+++ flang/lib/Evaluate/intrinsics.cpp
@@ -1131,11 +1131,11 @@
                 common::Intent::Out}},
         {}, Rank::elemental, IntrinsicClass::impureSubroutine},
     {"system_clock",
-        {{"count", SameInt, Rank::scalar, Optionality::optional,
+        {{"count", AnyInt, Rank::scalar, Optionality::optional,
              common::Intent::Out},
             {"count_rate", AnyIntOrReal, Rank::scalar, Optionality::optional,
                 common::Intent::Out},
-            {"count_max", SameInt, Rank::scalar, Optionality::optional,
+            {"count_max", AnyInt, Rank::scalar, Optionality::optional,
                 common::Intent::Out}},
         {}, Rank::elemental, IntrinsicClass::impureSubroutine},
 };


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