Add missing memoryview released check

Author: msimacek

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/memoryview/MemoryViewNodes.java

@@ -62,6 +62,7 @@
 import com.oracle.graal.python.nodes.ErrorMessages;
 import com.oracle.graal.python.nodes.PGuards;
 import com.oracle.graal.python.nodes.PNodeWithRaise;
+import com.oracle.graal.python.nodes.PRaiseNode;
 import com.oracle.graal.python.nodes.attributes.ReadAttributeFromObjectNode;
 import com.oracle.graal.python.nodes.object.IsBuiltinClassProfile;
 import com.oracle.graal.python.runtime.PythonContext;
@@ -546,7 +547,9 @@ public abstract static class ToJavaBytesNode extends Node {
         byte[] tobytesCached(PMemoryView self,
                         @Cached("self.getDimensions()") int cachedDimensions,
                         @Cached ReadBytesAtNode readBytesAtNode,
-                        @Cached CExtNodes.PCallCapiFunction callCapiFunction) {
+                        @Cached CExtNodes.PCallCapiFunction callCapiFunction,
+                        @Cached PRaiseNode raiseNode) {
+            self.checkReleased(raiseNode);
             byte[] bytes = new byte[self.getLength()];
             if (cachedDimensions == 0) {
                 readBytesAtNode.execute(bytes, 0, self.getItemSize(), self, self.getBufferPointer(), self.getOffset());
@@ -559,7 +562,9 @@ byte[] tobytesCached(PMemoryView self,
         @Specialization(replaces = "tobytesCached")
         byte[] tobytesGeneric(PMemoryView self,
                         @Cached ReadBytesAtNode readBytesAtNode,
-                        @Cached CExtNodes.PCallCapiFunction callCapiFunction) {
+                        @Cached CExtNodes.PCallCapiFunction callCapiFunction,
+                        @Cached PRaiseNode raiseNode) {
+            self.checkReleased(raiseNode);
             byte[] bytes = new byte[self.getLength()];
             if (self.getDimensions() == 0) {
                 readBytesAtNode.execute(bytes, 0, self.getItemSize(), self, self.getBufferPointer(), self.getOffset());

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/memoryview/PMemoryView.java

@@ -48,6 +48,7 @@
 import com.oracle.graal.python.builtins.objects.object.PythonObjectLibrary;
 import com.oracle.graal.python.nodes.ErrorMessages;
 import com.oracle.graal.python.nodes.PNodeWithRaise;
+import com.oracle.graal.python.nodes.PRaiseNode;
 import com.oracle.graal.python.util.BufferFormat;
 import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
 import com.oracle.truffle.api.dsl.Cached;
@@ -221,6 +222,12 @@ public void setReleased() {
         owner = null;
     }
 
+    public void checkReleased(PRaiseNode raiseNode) {
+        if (isReleased()) {
+            throw raiseNode.raise(ValueError, ErrorMessages.MEMORYVIEW_FORBIDDEN_RELEASED);
+        }
+    }
+
     public void checkReleased(PNodeWithRaise node) {
         if (isReleased()) {
             throw node.raise(ValueError, ErrorMessages.MEMORYVIEW_FORBIDDEN_RELEASED);