JVM_IR: generate instance fields even when reification is needed

The inliner supports that, we just need to generate the reification
markers on GETFIELD to instance fields.

compiler/testData/codegen/boxInline/reified/singletonLambda.kt

@@ -0,0 +1,18 @@
+// CHECK_BYTECODE_LISTING
+// FILE: 1.kt
+package test
+
+inline fun <reified U> bar() = U::class.simpleName!!
+
+inline fun <reified T> foo(): String {
+    val x = { bar<Array<T>>() }
+    return x()
+}
+
+// FILE: 2.kt
+import test.*
+
+fun box(): String {
+    val result = foo<Int>()
+    return if (result == "Array") "OK" else result
+}