[Tests] Migrate backend-independent tests from native to compiler/testData.

^KT-65979

compiler/testData/codegen/box/inline/sharedVar.kt

@@ -0,0 +1,26 @@
+// WITH_STDLIB
+// MODULE: lib
+// FILE: lib.kt
+
+package a
+
+fun IntArray.forEachNoInline(block: (Int) -> Unit) = this.forEach { block(it) }
+
+inline fun fold(initial: Int, values: IntArray, crossinline block: (Int, Int) -> Int): Int {
+    var res = initial
+    values.forEachNoInline {
+        res = block(res, it)
+    }
+    return res
+}
+
+// MODULE: main(lib)
+// FILE: main.kt
+
+import a.*
+import kotlin.test.*
+
+fun box(): String {
+    assertEquals(6, fold(0, intArrayOf(1, 2, 3)) { x, y -> x + y })
+    return "OK"
+}