noti0na1

Enhance help message for language flag

2

Partial fix #20083 Enhance help message for language flag by displaying all available choises ``` > scalac -language:help -language Enable one or more language features. Choices : - help :...

Fix #20287: Add flexible types to Quotes library

3

Fix #20287 To fix the missing case, we have to add flexible types to `Quotes` library.

Fix #20146 Attach the original name to the tree if there is an imported term selection for an indent.

## Minimized code ```Scala import language.experimental.captureChecking class A: val m: A^ = this def test(a: A^, b: A^) = type at = a.type val c1: at^{b} = a val c2:...

Not Working with Docker 1.12.1 Using Build-in Swarm

3

Hi, I find it doesn't work on Docker 1.12.1 using the build-in Swarm. Neither the latest image on the Docker Hub nor the image I build from the latest source...

Performance improvement: use provisional state for better cache reuse; refactor TermRef widening logic

2

The main issue is that if a type is provisional, its denotation, signature, and other values will not be cached. As a result, using `widen` on provisional types will repeatedly...

Fix #9879

## Compiler version 3.6.0-RC1-bin-SNAPSHOT-nonbootstrapped-git-6ceaab5 ## Minimized code ```Scala def test = val x: String = "x" val y: String = "y" val a: x.type = x a match case `x`...

Inaccurate warning message for the last redundant wildcard case in pattern match

1

## Compiler version 3.6.0-RC1-bin-SNAPSHOT-nonbootstrapped-git-6ceaab5 ## Minimized code ```Scala trait A trait B def test(x: A | B) = x match case _: A => println("A") case null => println("null") case...