[PowerAssert] Add codegen tests

plugins/power-assert/testData/codegen/infix/RegexFunction.kt

@@ -0,0 +1,7 @@
+// IGNORE_BACKEND_K1: JVM_IR
+// IGNORE_BACKEND_K2: JVM_IR
+// Disabled because of KT-65640
+
+fun box() = expectThrowableMessage {
+    assert("Hello, World".matches("[A-Za-z]+".toRegex()))
+}