Fix swapped readonly check in hash

Author: msimacek

graalpython/com.oracle.graal.python.test/src/tests/unittest_tags/test_memoryview.txt

@@ -28,6 +28,7 @@
 *graalpython.lib-python.3.test.test_memoryview.BytesMemorySliceSliceTest.test_delitem
 *graalpython.lib-python.3.test.test_memoryview.BytesMemorySliceSliceTest.test_gc
 *graalpython.lib-python.3.test.test_memoryview.BytesMemorySliceSliceTest.test_getbuf_fail
+*graalpython.lib-python.3.test.test_memoryview.BytesMemorySliceSliceTest.test_hash_writable
 *graalpython.lib-python.3.test.test_memoryview.BytesMemorySliceSliceTest.test_iter
 *graalpython.lib-python.3.test.test_memoryview.BytesMemorySliceSliceTest.test_release
 *graalpython.lib-python.3.test.test_memoryview.BytesMemorySliceSliceTest.test_reversed
@@ -42,6 +43,7 @@
 *graalpython.lib-python.3.test.test_memoryview.BytesMemorySliceTest.test_delitem
 *graalpython.lib-python.3.test.test_memoryview.BytesMemorySliceTest.test_gc
 *graalpython.lib-python.3.test.test_memoryview.BytesMemorySliceTest.test_getbuf_fail
+*graalpython.lib-python.3.test.test_memoryview.BytesMemorySliceTest.test_hash_writable
 *graalpython.lib-python.3.test.test_memoryview.BytesMemorySliceTest.test_iter
 *graalpython.lib-python.3.test.test_memoryview.BytesMemorySliceTest.test_release
 *graalpython.lib-python.3.test.test_memoryview.BytesMemorySliceTest.test_reversed
@@ -56,6 +58,7 @@
 *graalpython.lib-python.3.test.test_memoryview.BytesMemoryviewTest.test_delitem
 *graalpython.lib-python.3.test.test_memoryview.BytesMemoryviewTest.test_gc
 *graalpython.lib-python.3.test.test_memoryview.BytesMemoryviewTest.test_getbuf_fail
+*graalpython.lib-python.3.test.test_memoryview.BytesMemoryviewTest.test_hash_writable
 *graalpython.lib-python.3.test.test_memoryview.BytesMemoryviewTest.test_iter
 *graalpython.lib-python.3.test.test_memoryview.BytesMemoryviewTest.test_release
 *graalpython.lib-python.3.test.test_memoryview.BytesMemoryviewTest.test_reversed

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

@@ -551,10 +551,10 @@ static String repr(IntrinsifiedPMemoryView self) {
     public static abstract class HashNode extends PythonUnaryBuiltinNode {
         @Specialization
         int hash(IntrinsifiedPMemoryView self,
-                        @Cached ConditionProfile readonlyProfile,
+                        @Cached ConditionProfile writableProfile,
                         @Cached MemoryViewNodes.ToJavaBytesNode toJavaBytesNode) {
             self.checkReleased(this);
-            if (readonlyProfile.profile(self.isReadOnly())) {
+            if (writableProfile.profile(!self.isReadOnly())) {
                 throw raise(ValueError, ErrorMessages.CANNOT_HASH_WRITEABLE_MEMORYVIEW);
             } else {
                 // TODO avoid copying