This fixes:
CompileKotlinAgainstInlineKotlinTestGenerated$InlineClasses.testInlineFunctionInsideInlineClassesBox
Consider the following binary dependency:
inline class UInt(val u: Int) {
inline fun foo() {}
}
Now, if we want to inline function `foo`, we have to load it from bytes
as ASM method and to do this we should know the container of this function.
Note that because of inline class, actual signature of this function
would be `foo(I)` and it will be stored in UInt$Erased class, not `UInt`
If a declaration is annotated both with SinceKotlin and WasExperimental
and the SinceKotlin version makes it inaccessible, the experimental
checker must regard it as experimental, with markers specified in the
WasExperimental annotation arguments. So only errors/warnings about the
experimentality are going to be reported in this case, and no error that
the declaration is unavailable because of a low API version
For example, if a class is `@SinceKotlin("X")
@WasExperimental(M::class)`, then its constructor should also be
accessible if API < X, provided that the opt-in to M is given
Experimental and UseExperimental can only be used as annotations or
qualifiers (to allow "Experimental.Level.*"); experimental markers can
only be used as annotations or qualifiers, or as left-hand side of a
::class literal in arguments to UseExperimental/WasExperimental.
This is needed because we're not yet sure of the design of this feature
and would like to retain the possibility to drop these declarations
(Experimental, UseExperimental) altogether. If they were going to be
used as types, it would be problematic because we can't simply delete
something from stdlib, should deprecate it first. With this change,
these declarations can only be used if the user has opted into using the
experimental API somehow (for example, with
`-Xuse-experimental=kotlin.Experimental`), so we won't stop conforming
to our deprecation policy if we decide to remove these declarations in
the future
Usages of declarations annotated with WasExperimental are allowed even
if the API version requirement is not satisfied, provided that the
opt-in to all mentioned markers is given. This is needed for smooth
graduation of API in kotlin-stdlib
Roman Artemev