[J2KT] Fix problem with generic parameters with nullable bounds in J2ObjCCompat.h.

PiperOrigin-RevId: 863256465

Author: Googler

transpiler/java/com/google/j2cl/transpiler/backend/kotlin/J2ObjCCompatRenderer.kt

@@ -560,7 +560,7 @@ internal class J2ObjCCompatRenderer(private val objCNamePrefix: String) {
         declaredObjCDependentSource(typeDescriptor)
       // TODO: Handle TypeVariable and Array
       else -> id
-    }.runIf(typeDescriptor.isNullable) { toNullable() }
+    }.runIf(typeDescriptor.canBeNull()) { toNullable() }
 
   private fun primitiveObjCDependentSource(
     primitiveTypeDescriptor: PrimitiveTypeDescriptor

transpiler/javatests/com/google/j2cl/integration/java/j2ktiosinterop/J2ktObjCInteropTest.m

@@ -588,8 +588,7 @@ - (void)testPlatform {
 - (void)testNullability {
   J2ktiosinteropNullability_acceptNullableWithId_(nil);
   J2ktiosinteropNullability_acceptNullableWithNonNullBoundWithId_(nil);
-  // TODO(b/460155951): Uncomment when fixed.
-  // J2ktiosinteropNullability_acceptWithNullableBoundWithId_(nil);
+  J2ktiosinteropNullability_acceptWithNullableBoundWithId_(nil);
   J2ktiosinteropNullability_acceptNullableWithNullableBoundWithId_(nil);
 }
 

transpiler/javatests/com/google/j2cl/integration/java/j2ktiosinterop/J2ktSwiftInteropTest.swift

@@ -205,8 +205,7 @@ final class J2ktSwiftInteropTest: XCTestCase {
   func testNullability() {
     J2ktiosinteropNullability_acceptNullableWithId_(nil)
     J2ktiosinteropNullability_acceptNullableWithNonNullBoundWithId_(nil)
-    // TODO(b/460155951): Uncomment when fixed.
-    // J2ktiosinteropNullability_acceptWithNullableBoundWithId_(nil);
+    J2ktiosinteropNullability_acceptWithNullableBoundWithId_(nil);
     J2ktiosinteropNullability_acceptNullableWithNullableBoundWithId_(nil)
   }
 }