[GR-73555] Fix PGenerator assertion.

PullRequest: graalpython/4282

Author: DSouzaM

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/generator/PGenerator.java

@@ -132,7 +132,7 @@ public BytecodeDSLState(PBytecodeDSLRootNode rootNode, Object[] arguments, Conti
         }
 
         public Object handleResult(PGenerator generator, ContinuationResult result) {
-            assert result.getContinuationRootNode() == null || result.getContinuationRootNode().getFrameDescriptor() == generator.frame.getFrameDescriptor();
+            assert PBytecodeDSLRootNode.cast(result.getContinuationRootNode()).getFrameDescriptor() == generator.frame.getFrameDescriptor();
             isStarted = true;
             // We must keep the previous root so that we can load its BytecodeNode to resolve BCI to
             // location, the next continuation node may have different BytecodeNode

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/nodes/bytecode_dsl/PBytecodeDSLRootNode.java

@@ -1136,7 +1136,6 @@ public static Object doOther(Object ex) {
      * provides access to the generator frame even before the generator was started.
      */
     @Yield
-    @SuppressWarnings("truffle-interpreted-performance") // blocked by GR-69979
     public static final class YieldGenerator {
         @Specialization
         public static Object doYield(
@@ -1199,7 +1198,6 @@ public static Object doObject(Object value,
      * Performs some clean-up steps before suspending execution, and updates the generator state.
      */
     @Yield
-    @SuppressWarnings("truffle-interpreted-performance") // blocked by GR-69979
     public static final class YieldValue {
         @Specialization
         public static Object doObject(Object value,