KT-7597 ErrorType leaked into backend

#KT-7597 Fixed

compiler/testData/diagnostics/tests/resolve/nestedCalls/kt7597.kt

@@ -0,0 +1,10 @@
+// !CHECK_TYPE
+
+trait Inv<I>
+
+fun <S, T: S> Inv<T>.reduce2(): S = null!!
+
+fun test(a: Inv<Int>): Int {
+    val b = 1 <!OVERLOAD_RESOLUTION_AMBIGUITY!>+<!> a.reduce2()
+    return <!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>b<!>
+}

compiler/testData/diagnostics/tests/resolve/nestedCalls/kt7597.txt

@@ -0,0 +1,10 @@
+package
+
+internal fun test(/*0*/ a: Inv<kotlin.Int>): kotlin.Int
+internal fun </*0*/ S, /*1*/ T : S> Inv<T>.reduce2(): S
+
+internal trait Inv</*0*/ I> {
+    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/resolve/nestedCalls/twoTypeParameters.kt

@@ -0,0 +1,12 @@
+class ResolutionCandidate<A>
+
+class ResolutionTask<B, C : B>(val candidate: ResolutionCandidate<B>)
+
+fun <D, E : D> List<ResolutionTask<D, E>>.bar(t: ResolutionTask<D, E>) = t
+
+public class ResolutionTaskHolder<F, G : F> {
+    fun test(candidate: ResolutionCandidate<F>, tasks: MutableList<ResolutionTask<F, G>>) {
+        tasks.bar(ResolutionTask(candidate))
+    }
+}
+

compiler/testData/diagnostics/tests/resolve/nestedCalls/twoTypeParameters.txt

@@ -0,0 +1,26 @@
+package
+
+internal fun </*0*/ D, /*1*/ E : D> kotlin.List<ResolutionTask<D, E>>.bar(/*0*/ t: ResolutionTask<D, E>): ResolutionTask<D, E>
+
+internal final class ResolutionCandidate</*0*/ A> {
+    public constructor ResolutionCandidate</*0*/ A>()
+    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
+}
+
+internal final class ResolutionTask</*0*/ B, /*1*/ C : B> {
+    public constructor ResolutionTask</*0*/ B, /*1*/ C : B>(/*0*/ candidate: ResolutionCandidate<B>)
+    internal final val candidate: ResolutionCandidate<B>
+    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
+}
+
+public final class ResolutionTaskHolder</*0*/ F, /*1*/ G : F> {
+    public constructor ResolutionTaskHolder</*0*/ F, /*1*/ G : F>()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    internal final fun test(/*0*/ candidate: ResolutionCandidate<F>, /*1*/ tasks: kotlin.MutableList<ResolutionTask<F, G>>): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}