Add more tests for type operators on the jvm

compiler/testData/codegen/bytecodeText/inline/reifiedSafeAsWithMutable.kt

@@ -2,13 +2,13 @@
 // 'as?' should be generated as a single 'safeAs...' intrinsic call
 // without instanceof or 'is...'.
 
-inline fun <reified T> safeAs(x: Any) {
-    x as? T
+inline fun <reified T> safeAs(x: Any): T? {
+    return x as? T
 }
 
 fun test() {
     val x: Any = arrayListOf("abc", "def")
-    safeAs<MutableList<*>>(x)
+    safeAs<MutableList<*>>(x)?.clear()
 }
 
 // 0 INSTANCEOF java/util/List

compiler/testData/codegen/bytecodeText/reifiedAsCheck.kt

@@ -8,7 +8,7 @@ inline fun <reified X> Any?.foo4() = foo2<X?>()
 
 inline fun <reified A> Any?.foo5() = foo<A>()
 
-// 1 LDC "T"
+// 1 ICONST_1\s*LDC "T"\s*INVOKESTATIC kotlin/jvm/internal/Intrinsics.reifiedOperationMarker
 // 1 LDC "Y\?"
 // 1 LDC "Z\?"
 // 1 LDC "X\?"

compiler/testData/codegen/bytecodeText/reifiedSafeAsCheck.kt

@@ -0,0 +1,15 @@
+inline fun <reified T> Any?.foo() = this as? T
+
+inline fun <reified Y> Any?.foo2() = foo<Y?>()
+
+inline fun <reified Z> Any?.foo3() = foo2<Z>()
+
+inline fun <reified X> Any?.foo4() = foo2<X?>()
+
+inline fun <reified A> Any?.foo5() = foo<A>()
+
+// 1 ICONST_2\s*LDC "T"\s*INVOKESTATIC kotlin/jvm/internal/Intrinsics.reifiedOperationMarker
+// 1 LDC "Y\?"
+// 1 LDC "Z\?"
+// 1 LDC "X\?"
+// 1 LDC "A"