Kapt: Fix an ArrayIndexOutOfBoundsException for suspend functions with generated return types

plugins/kapt3/kapt3-compiler/testData/converter/suspendErrorTypes.kt

@@ -0,0 +1,9 @@
+// CORRECT_ERROR_TYPES
+// WITH_RUNTIME
+
+@file:Suppress("UNRESOLVED_REFERENCE")
+class Foo {
+    suspend fun a(): ABC = TODO()
+
+    suspend fun b(): Result<ABC> = TODO()
+}

plugins/kapt3/kapt3-compiler/testData/converter/suspendErrorTypes.txt

@@ -0,0 +1,21 @@
+import java.lang.System;
+
+@kotlin.Metadata()
+public final class Foo {
+
+    @org.jetbrains.annotations.Nullable()
+    public final java.lang.Object a(@org.jetbrains.annotations.NotNull()
+    kotlin.coroutines.Continuation<? super error.NonExistentClass> p0) {
+        return null;
+    }
+
+    @org.jetbrains.annotations.Nullable()
+    public final java.lang.Object b(@org.jetbrains.annotations.NotNull()
+    kotlin.coroutines.Continuation<? super kotlin.Result<? extends error.NonExistentClass>> p0) {
+        return null;
+    }
+
+    public Foo() {
+        super();
+    }
+}