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-rw-r--r--libgfortran/ChangeLog7
-rw-r--r--libgfortran/io/async.c7
-rw-r--r--libgfortran/runtime/error.c4
3 files changed, 18 insertions, 0 deletions
diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index 71c233c..ddb1af1 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,10 @@
+2020-05-23 Thomas Koenig <tkoenig@gcc.gnu.org>
+
+ PR libfortran/95191
+ * io/async.c (async_wait_id): Generate error if ID is higher
+ than the highest current ID.
+ * runtime/error.c (translate_error): Handle LIBERROR_BAD_WAIT_ID.
+
2020-05-21 H.J. Lu <hongjiu.lu@intel.com>
* m4/matmul.m4: Don't include <config/i386/cpuinfo.h>. Use
diff --git a/libgfortran/io/async.c b/libgfortran/io/async.c
index 63b9158..1bf38e9 100644
--- a/libgfortran/io/async.c
+++ b/libgfortran/io/async.c
@@ -424,6 +424,13 @@ async_wait_id (st_parameter_common *cmp, async_unit *au, int i)
}
LOCK (&au->lock);
+ if (i > au->id.high)
+ {
+ generate_error_common (cmp, LIBERROR_BAD_WAIT_ID, NULL);
+ UNLOCK (&au->lock);
+ return true;
+ }
+
NOTE ("Waiting for id %d", i);
if (au->id.waiting < i)
au->id.waiting = i;
diff --git a/libgfortran/runtime/error.c b/libgfortran/runtime/error.c
index 9ed5d56..ff6b852 100644
--- a/libgfortran/runtime/error.c
+++ b/libgfortran/runtime/error.c
@@ -660,6 +660,10 @@ translate_error (int code)
p = "Inquire statement identifies an internal file";
break;
+ case LIBERROR_BAD_WAIT_ID:
+ p = "Bad ID in WAIT statement";
+ break;
+
default:
p = "Unknown error code";
break;