[JVM_IR] Fix stepping behavior for assignments to local variables.

compiler/testData/debug/stepping/compileTimeConstant.kt

@@ -5,9 +5,6 @@ fun box() {
             42
 }
 
-// IGNORE_BACKEND: JVM_IR
-// The JVM_IR backend does not hit line 4. That should be fixed.
-
 // LINENUMBERS
 // test.kt:5 box
 // test.kt:4 box