IR: restore reading common Klib from JVM

Adapt to changes in linker

compiler/testData/codegen/boxKlib/properties.kt

@@ -0,0 +1,20 @@
+// FILE: klib.kt
+package fromKlib
+
+class C {
+    val inClass = "O"
+}
+
+val toplevel get() = "K"
+
+fun referByDescriptor(s: String) = s.length
+
+// FILE: test.kt
+import fromKlib.C
+import fromKlib.referByDescriptor
+import fromKlib.toplevel
+
+fun box(): String {
+    referByDescriptor("heh")
+    return C().inClass + toplevel
+}

compiler/testData/codegen/boxKlib/simple.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JVM_IR
 // FILE: klib.kt
 package fromKlib