KT-59504 [FIR] Check _ on destructuring declarations

Previously the checker was ignoring them, leading to missing diagnostics

^KT-59504 Fixed

compiler/testData/diagnostics/tests/declarationChecks/destructuringDeclarations/destructuringDeclarationAssignedUnresolved.fir.kt

@@ -5,7 +5,7 @@ fun useDeclaredVariables() {
 }
 
 fun checkersShouldRun() {
-    val (@A a, _) = <!COMPONENT_FUNCTION_MISSING, UNRESOLVED_REFERENCE!>unresolved<!>
+    val (@A a, _) = <!COMPONENT_FUNCTION_MISSING, COMPONENT_FUNCTION_MISSING, UNRESOLVED_REFERENCE!>unresolved<!>
 }
 
 annotation class A

compiler/testData/diagnostics/tests/declarationChecks/destructuringDeclarations/missingComponentN.fir.kt

@@ -0,0 +1,16 @@
+class A {
+    operator fun component1() = 1
+    operator fun component2() = ""
+}
+
+fun test() {
+    val (_, _) = A()
+    val (_, _, _) = <!COMPONENT_FUNCTION_MISSING!>A()<!>
+
+    val (_: Int, _: String) = A()
+    val (_: String, _) = <!COMPONENT_FUNCTION_RETURN_TYPE_MISMATCH!>A()<!>
+
+    val f: (A) -> Int = { (_, _) -> 1 }
+    val g: (A) -> Int = { <!COMPONENT_FUNCTION_MISSING!>(_, _, _)<!> -> 2 }
+    val h: (A) -> Int = { (<!COMPONENT_FUNCTION_RETURN_TYPE_MISMATCH!>_: String<!>, _) -> 3}
+}

compiler/testData/diagnostics/tests/declarationChecks/destructuringDeclarations/missingComponentN.kt

@@ -0,0 +1,16 @@
+class A {
+    operator fun component1() = 1
+    operator fun component2() = ""
+}
+
+fun test() {
+    val (_, _) = A()
+    val (_, _, _) = <!COMPONENT_FUNCTION_MISSING!>A()<!>
+
+    val (_: Int, _: String) = A()
+    val (_: String, _) = <!COMPONENT_FUNCTION_RETURN_TYPE_MISMATCH!>A()<!>
+
+    val f: (A) -> Int = { (_, _) -> 1 }
+    val g: (A) -> Int = { (_, _, <!COMPONENT_FUNCTION_MISSING!>_<!>) -> 2 }
+    val h: (A) -> Int = { (<!COMPONENT_FUNCTION_RETURN_TYPE_MISMATCH!>_: String<!>, _) -> 3}
+}

compiler/testData/diagnostics/tests/declarationChecks/destructuringDeclarations/missingComponentN.txt

@@ -0,0 +1,12 @@
+package
+
+public fun test(): kotlin.Unit
+
+public final class A {
+    public constructor A()
+    public final operator fun component1(): kotlin.Int
+    public final operator fun component2(): kotlin.String
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}

compiler/testData/diagnostics/tests/declarationChecks/destructuringDeclarations/underscore.fir.kt

@@ -25,7 +25,7 @@ fun test() {
         foo(<!UNRESOLVED_REFERENCE!>_<!>, <!UNRESOLVED_REFERENCE!>_<!>)
     }
 
-    for ((_ : String, _ : Int) in C()) {
+    for ((_ : String, _ : Int) in <!COMPONENT_FUNCTION_RETURN_TYPE_MISMATCH, COMPONENT_FUNCTION_RETURN_TYPE_MISMATCH!>C()<!>) {
         foo(<!UNRESOLVED_REFERENCE!>_<!>, <!UNRESOLVED_REFERENCE!>_<!>)
     }