Align stdlib version also on kotlin-stdlib-jdk7:1.8+ in dependencies

To avoid having transitive kotlin-stdlib-jdk8 with older version leading
 to classpath conflicts.

^KT-54703 In Progress

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

@@ -84,6 +84,35 @@ class StdlibAlignmentIT : KGPBaseTest() {
         }
     }
 
+    @JvmGradlePluginTests
+    @DisplayName("substitution is working when stldib-jdk7:1.8+ is added as dependency")
+    @GradleTest
+    fun stdlibJdk7Substitution(gradleVersion: GradleVersion) {
+        project("sourceSetsKotlinDsl", gradleVersion) {
+            buildGradleKts.appendText(
+                """
+                |
+                |dependencies {
+                |   implementation(kotlin("stdlib-jdk7"))
+                |   implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.5.2")
+                |}
+                """.trimMargin()
+            )
+
+            build("dependencies", "--configuration", "compileClasspath") {
+                assertOutputContains(
+                    """
+                    |\--- org.jetbrains.kotlinx:kotlinx-coroutines-core:1.5.2
+                    |     \--- org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.5.2
+                    |          +--- org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.5.30 -> org.jetbrains.kotlin:kotlin-stdlib:${buildOptions.kotlinVersion} (*)
+                    |          \--- org.jetbrains.kotlin:kotlin-stdlib-common:1.5.30 -> ${buildOptions.kotlinVersion}
+                    |
+                    """.trimMargin()
+                )
+            }
+        }
+    }
+
     @JvmGradlePluginTests
     @DisplayName("stdlib-jdk7, stdlib-jdk8 substitution with stdlib:1.8+ in Kotlin DSL")
     @GradleTest

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/internal/stdlibDependencyManagement.kt

@@ -60,7 +60,7 @@ internal fun ConfigurationContainer.configureStdlibSubstitution() = all { config
             .withType<ExternalDependency>()
             .configureEach { dependency ->
                 if (dependency.group == KOTLIN_MODULE_GROUP &&
-                    dependency.name == "kotlin-stdlib" &&
+                    (dependency.name == "kotlin-stdlib" || dependency.name == "kotlin-stdlib-jdk7") &&
                     dependency.version != null &&
                     SemVer.from(dependency.version!!) >= kotlin180Version
                 ) {
@@ -82,9 +82,12 @@ private fun Configuration.substitudeStdlibJvmVariants(
     kotlinStdlibDependency: ExternalDependency
 ) {
     resolutionStrategy.dependencySubstitution {
-        it.substitute(it.module("org.jetbrains.kotlin:kotlin-stdlib-jdk7"))
-            .using(it.module("org.jetbrains.kotlin:kotlin-stdlib:${kotlinStdlibDependency.version}"))
-            .because("kotlin-stdlib-jdk7 is now part of kotlin-stdlib")
+        if (kotlinStdlibDependency.name != "kotlin-stdlib-jdk7") {
+            it.substitute(it.module("org.jetbrains.kotlin:kotlin-stdlib-jdk7"))
+                .using(it.module("org.jetbrains.kotlin:kotlin-stdlib:${kotlinStdlibDependency.version}"))
+                .because("kotlin-stdlib-jdk7 is now part of kotlin-stdlib")
+        }
+
         it.substitute(it.module("org.jetbrains.kotlin:kotlin-stdlib-jdk8"))
             .using(it.module("org.jetbrains.kotlin:kotlin-stdlib:${kotlinStdlibDependency.version}"))
             .because("kotlin-stdlib-jdk8 is now part of kotlin-stdlib")