[Wasm] Move external RTT checkers to web.common and reuse in Wasm

#KT-56849

compiler/testData/diagnostics/wasmTests/jsInterop/rtti/castToNativeInterface.kt

@@ -0,0 +1,8 @@
+// FIR_IDENTICAL
+// DIAGNOSTICS: +UNCHECKED_CAST_TO_EXTERNAL_INTERFACE
+
+external interface I
+
+fun box(a: Any, b: Any): Pair<I, I?> {
+    return Pair(<!UNCHECKED_CAST_TO_EXTERNAL_INTERFACE!>a as I<!>, <!UNCHECKED_CAST_TO_EXTERNAL_INTERFACE!>b as? I<!>)
+}

compiler/testData/diagnostics/wasmTests/jsInterop/rtti/checkForNativeInterface.kt

@@ -0,0 +1,6 @@
+// FIR_IDENTICAL
+external interface I
+
+fun box(a: Any, b: Any): Boolean {
+    return <!CANNOT_CHECK_FOR_EXTERNAL_INTERFACE!>a is I<!> && <!CANNOT_CHECK_FOR_EXTERNAL_INTERFACE!>b !is I<!>
+}

compiler/testData/diagnostics/wasmTests/jsInterop/rtti/nativeInterfaceAsReifiedTypeArgument.kt

@@ -0,0 +1,22 @@
+// FIR_IDENTICAL
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+inline fun <reified T> foo(x: T) {
+    println(x)
+}
+
+external interface I
+
+external class C : I
+
+operator inline fun <reified T> C.plus(other: T) = this
+
+fun bar() {
+    foo(C())
+
+    val c: I = C()
+    <!EXTERNAL_INTERFACE_AS_REIFIED_TYPE_ARGUMENT!>foo(c)<!>
+    foo<<!EXTERNAL_INTERFACE_AS_REIFIED_TYPE_ARGUMENT!>I<!>>(C())
+
+    <!EXTERNAL_INTERFACE_AS_REIFIED_TYPE_ARGUMENT!>C() + c<!>
+}

compiler/testData/diagnostics/wasmTests/jsInterop/rtti/nativeInterfaceClassLiteral.kt

@@ -0,0 +1,8 @@
+// FIR_IDENTICAL
+external interface I
+
+typealias TA = I
+fun box() {
+    println(<!EXTERNAL_INTERFACE_AS_CLASS_LITERAL!>I::class<!>)
+    println(<!EXTERNAL_INTERFACE_AS_CLASS_LITERAL!>TA::class<!>)
+}

compiler/testData/diagnostics/wasmTests/jsInterop/rtti/whenIsNativeInterface.kt

@@ -0,0 +1,10 @@
+// FIR_IDENTICAL
+external interface I
+
+external interface J
+
+fun box(a: Any) = when (a) {
+    <!CANNOT_CHECK_FOR_EXTERNAL_INTERFACE!>is I<!> -> 0
+    <!CANNOT_CHECK_FOR_EXTERNAL_INTERFACE!>!is J<!> -> 1
+    else -> 2
+}