Value classes: Add @JvmInline annotation to stdlib

libraries/stdlib/common/src/kotlin/JvmAnnotationsH.kt

@@ -101,7 +101,17 @@ public expect annotation class JvmSuppressWildcards(val suppress: Boolean = true
 @OptionalExpectation
 public expect annotation class JvmWildcard()
 
-
+/**
+ * Specifies that given value class is inline class.
+ *
+ * Adding and removing the annotation is binary incompatible change, since inline classes' methods and functions with inline classes
+ * in their signature are mangled.
+ */
+@Target(CLASS)
+@MustBeDocumented
+@SinceKotlin("1.5")
+@OptionalExpectation
+public expect annotation class JvmInline()
 
 /**
  * Marks the JVM backing field of the annotated property as `volatile`, meaning that writes to this field

libraries/stdlib/jvm/runtime/kotlin/jvm/annotations/JvmPlatformAnnotations.kt

@@ -132,4 +132,16 @@ public actual annotation class JvmSuppressWildcards(actual val suppress: Boolean
 @Target(AnnotationTarget.TYPE)
 @Retention(AnnotationRetention.BINARY)
 @MustBeDocumented
-public actual annotation class JvmWildcard
+public actual annotation class JvmWildcard
+
+/**
+ * Specifies that given value class is inline class.
+ *
+ * Adding and removing the annotation is binary incompatible change, since inline classes' methods and functions with inline classes
+ * in their signature are mangled.
+ */
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.BINARY)
+@MustBeDocumented
+@SinceKotlin("1.5")
+public actual annotation class JvmInline

libraries/tools/binary-compatibility-validator/reference-public-api/kotlin-stdlib-runtime-merged.txt

@@ -3237,6 +3237,9 @@ public abstract interface annotation class kotlin/jvm/JvmDefaultWithoutCompatibi
 public abstract interface annotation class kotlin/jvm/JvmField : java/lang/annotation/Annotation {
 }
 
+public abstract interface annotation class kotlin/jvm/JvmInline : java/lang/annotation/Annotation {
+}
+
 public abstract interface annotation class kotlin/jvm/JvmMultifileClass : java/lang/annotation/Annotation {
 }