[KLIB] Handle linkage error

Do not crash compiler with ugly stacktrace in case of misconfiguration.
Report relatively friendly diagnostic message instead

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/linkage/KotlinIrLinkerInternalException.kt

@@ -0,0 +1,8 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.ir.linkage
+
+object KotlinIrLinkerInternalException : Exception("Kotlin IR Linker exception")

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/ExternalDependenciesGenerator.kt

@@ -16,11 +16,13 @@
 
 package org.jetbrains.kotlin.ir.util
 
+import org.jetbrains.kotlin.analyzer.AnalysisResult
 import org.jetbrains.kotlin.descriptors.ModuleDescriptor
 import org.jetbrains.kotlin.ir.declarations.IrDeclaration
 import org.jetbrains.kotlin.ir.descriptors.IrBuiltIns
 import org.jetbrains.kotlin.ir.linkage.IrDeserializer
 import org.jetbrains.kotlin.ir.linkage.IrProvider
+import org.jetbrains.kotlin.ir.linkage.KotlinIrLinkerInternalException
 import org.jetbrains.kotlin.ir.symbols.IrSymbol
 import org.jetbrains.kotlin.utils.addToStdlib.firstNotNullResult
 
@@ -38,18 +40,22 @@ class ExternalDependenciesGenerator(
          */
         var unbound = setOf<IrSymbol>()
         lateinit var prevUnbound: Set<IrSymbol>
-        do {
+        try {
-            prevUnbound = unbound
+            do {
-            unbound = symbolTable.allUnbound
+                prevUnbound = unbound
+                unbound = symbolTable.allUnbound
 
-            for (symbol in unbound) {
+                for (symbol in unbound) {
-                // Symbol could get bound as a side effect of deserializing other symbols.
+                    // Symbol could get bound as a side effect of deserializing other symbols.
-                if (!symbol.isBound) {
+                    if (!symbol.isBound) {
-                    irProviders.getDeclaration(symbol)
+                        irProviders.getDeclaration(symbol)
+                    }
                 }
-            }
+                // We wait for the unbound to stabilize on fake overrides.
-        // We wait for the unbound to stabilize on fake overrides.
+            } while (unbound != prevUnbound)
-        } while (unbound != prevUnbound)
+        } catch (ex: KotlinIrLinkerInternalException) {
+            throw AnalysisResult.CompilationErrorException()
+        }
     }
 }