Build and verify runnable samples with gradle.

libraries/settings.gradle

@@ -11,6 +11,7 @@ include ':kotlin-stdlib'
 include ':kotlin-stdlib-js'
 include ':kotlin-stdlib-jre7'
 include ':kotlin-stdlib-jre8'
+include ':kotlin-stdlib:samples'
 include ':tools:binary-compatibility-validator'
 include ':tools:kotlin-stdlib-gen'
 include ':tools:protobuf-lite'
@@ -65,6 +66,7 @@ project(':kotlin-stdlib').projectDir = "$rootDir/stdlib" as File
 project(':kotlin-stdlib-js').projectDir = "$rootDir/stdlib/js" as File
 project(':kotlin-stdlib-jre7').projectDir = "$rootDir/stdlib/jre7" as File
 project(':kotlin-stdlib-jre8').projectDir = "$rootDir/stdlib/jre8" as File
+project(':kotlin-stdlib:samples').projectDir = "$rootDir/stdlib/samples" as File
 project(':kotlin-reflect').projectDir = "$rootDir/tools/kotlin-reflect" as File
 
 //project(':kotlin-compiler').projectDir = "$rootDir/tools/kotlin-compiler" as File
@@ -92,7 +94,6 @@ project(':kotlin-reflect').projectDir = "$rootDir/tools/kotlin-reflect" as File
 //project(':kotlin-android-extensions').projectDir = "$rootDir/tools/kotlin-android-extensions" as File
 //project(':kotlin-maven-plugin-test').projectDir = "$rootDir/tools/kotlin-maven-plugin-test" as File
 //project(':kotlin-script-util').projectDir = "$rootDir/tools/kotlin-script-util" as File
-//project(':kotlin-stdlib-samples').projectDir = "$rootDir/stdlib/samples" as File
 //project(':annotation-processor-example').projectDir = "$rootDir/examples/annotation-processor-example" as File
 //project(':kotlin-java-example').projectDir = "$rootDir/examples/kotlin-java-example" as File
 //project(':js-example').projectDir = "$rootDir/examples/js-example" as File

libraries/stdlib/samples/build.gradle

@@ -0,0 +1,20 @@
+apply plugin: 'kotlin'
+
+dependencies {
+    compile project(':kotlin-stdlib-jre8')
+    testCompile project(':kotlin-test:kotlin-test-junit')
+}
+
+sourceSets {
+    test.kotlin.srcDir 'test'
+}
+
+compileTestKotlin {
+    kotlinOptions.jdkHome = JDK_18
+}
+
+kotlin.experimental.coroutines 'enable'
+
+test {
+    executable = "$JDK_18/bin/java"
+}