Migrate boxInline tests to new multi-file framework

compiler/testData/codegen/boxInline/anonymousObject/kt9877.kt

@@ -0,0 +1,32 @@
+// FILE: 1.kt
+
+package test
+
+fun <T> T.noInline(p: (T) -> Unit) {
+    p(this)
+}
+
+inline fun inlineCall(p: () -> Unit) {
+    p()
+}
+
+// FILE: 2.kt
+
+import test.*
+
+fun box(): String {
+    val loci = listOf("a", "b", "c")
+    var gene = "g1"
+
+    inlineCall {
+        val value = 10.0
+        loci.forEach {
+            var locusMap = 1.0
+            {
+                locusMap = value
+                gene = "OK"
+            }()
+        }
+    }
+    return gene
+}