When2Switch: tests for non-literal expression in when by integral

compiler/testData/codegen/bytecodeText/when/integralWhenWithNoInlinedConstants.kt

@@ -0,0 +1,16 @@
+fun foo1(x: Int): Boolean {
+    when(x) {
+        2 + 2 -> return true
+        else -> return false
+    }
+}
+
+fun foo2(x: Int): Boolean {
+    when(x) {
+        Integer.MAX_VALUE -> return true
+        else -> return false
+    }
+}
+
+// 0 TABLESWITCH
+// 2 LOOKUPSWITCH