Implement constant folding in the IR backend for JVM

The newly added pass folds the set of constant functions of the
current backend, plus IrBuiltIns.

compiler/testData/codegen/box/constants/comparisonFalse.kt

@@ -0,0 +1,16 @@
+// WITH_RUNTIME
+// IGNORE_BACKEND: JS_IR
+fun foo(): Array<Boolean> {
+    return arrayOf(
+        0.0 / 0 == 0.0 / 0,
+        0.0F > -0.0F,
+        0.0.equals(-0.0),
+        (0.0 / 0.0).equals(1.0 / 0.0)
+    )
+}
+
+fun box(): String {
+    if (foo().any { it == true })
+        return "fail: ${foo().contentDeepToString()}"
+    return "OK"
+}