[Gradle] KotlinCompilationAssociator: Restore 1.8.10 behaviour for KotlinWithJavaTarget

^KT-58280 Verification Pending

(cherry picked from commit 08f3d56)

Author: sellmair

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/SimpleKotlinGradleIT.kt

@@ -284,11 +284,16 @@ class SimpleKotlinGradleIT : KGPBaseTest() {
             buildGradle.appendText(
                 """
                 |
-                |tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinJvmCompile.class).configureEach {
-                |    if (it.name == "compileKotlin") {
-                |        it.destinationDirectory.set(project.layout.buildDirectory.dir("banana"))
-                |    }
+                |def compileKotlinTask = tasks.named("compileKotlin", org.jetbrains.kotlin.gradle.tasks.KotlinJvmCompile.class)
+                |
+                |compileKotlinTask.configure {
+                |    it.destinationDirectory.set(project.layout.buildDirectory.dir("banana"))
                 |}
+                |
+                |def compileKotlinTaskOutput = compileKotlinTask.flatMap { it.destinationDirectory }
+                |sourceSets.test.compileClasspath.from(compileKotlinTaskOutput)
+                |sourceSets.test.runtimeClasspath.from(compileKotlinTaskOutput)
+                |
                 """.trimMargin()
             )
 

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/compilationImpl/KotlinCompilationAssociator.kt

@@ -7,8 +7,10 @@ package org.jetbrains.kotlin.gradle.plugin.mpp.compilationImpl
 
 import org.gradle.api.Project
 import org.gradle.api.artifacts.Dependency
+import org.jetbrains.kotlin.gradle.plugin.KotlinPlatformType.jvm
 import org.jetbrains.kotlin.gradle.plugin.KotlinTarget
 import org.jetbrains.kotlin.gradle.plugin.mpp.InternalKotlinCompilation
+import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinWithJavaTarget
 import org.jetbrains.kotlin.gradle.plugin.mpp.isMain
 import org.jetbrains.kotlin.gradle.plugin.mpp.isTest
 import org.jetbrains.kotlin.gradle.targets.jvm.KotlinJvmTarget
@@ -76,7 +78,11 @@ internal object KotlinNativeCompilationAssociator : KotlinCompilationAssociator
 internal object KotlinJvmCompilationAssociator : KotlinCompilationAssociator {
     override fun associate(target: KotlinTarget, auxiliary: InternalKotlinCompilation<*>, main: InternalKotlinCompilation<*>) {
         /* Main to Test association handled already by java plugin */
-        if (target is KotlinJvmTarget && target.withJavaEnabled && auxiliary.isTest() && main.isMain()) {
+        if (
+            ((target is KotlinWithJavaTarget<*, *> && target.platformType == jvm) ||
+                    (target is KotlinJvmTarget && target.withJavaEnabled)) &&
+            auxiliary.isTest() && main.isMain()
+        ) {
             return
         } else DefaultKotlinCompilationAssociator.associate(target, auxiliary, main)
     }