[JVM] Never treat arguments to methods as locals that can be removed.

Fixes KT-44347

compiler/testData/codegen/box/closures/capturedVarsOptimization/kt44347.kt

@@ -0,0 +1,22 @@
+// WITH_RUNTIME
+
+import kotlin.coroutines.*
+
+fun launch(block: suspend (Long) -> String): String {
+    var result = ""
+    block.startCoroutine(0L, Continuation(EmptyCoroutineContext) { result = it.getOrThrow() })
+    return result
+}
+
+suspend fun g() {}
+
+class C {
+    suspend fun f(i: Long): String {
+        var x = 0
+        listOf<Int>().map { x }
+        g()
+        return "OK"
+    }
+}
+
+fun box(): String = launch(C()::f)