Temporary lazy builtin baseline

lynglib/src/commonTest/kotlin/GlobalPropertyCaptureRegressionTest.kt

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2026 Sergey S. Chernov real.sergeych@gmail.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package net.sergeych.lyng
+
+import kotlinx.coroutines.test.runTest
+import net.sergeych.lyng.bridge.bindGlobalVar
+import net.sergeych.lyng.bridge.globalBinder
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class GlobalPropertyCaptureRegressionTest {
+    @Test
+    fun externGlobalVarAssignmentInsideFunctionShouldCallBoundSetter() = runTest {
+        val scope = Script.newScope()
+        var x = 1.0
+
+        scope.eval(
+            """
+            extern var X: Real
+
+            fun main() {
+                X = X + 1.0
+            }
+            """.trimIndent()
+        )
+
+        scope.globalBinder().bindGlobalVar(
+            name = "X",
+            get = { x },
+            set = { x = it }
+        )
+
+        scope.eval("main()")
+
+        assertEquals(2.0, x, "bound extern var should stay live inside function bodies")
+    }
+}