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Merged
merged 2 commits into from
Apr 15, 2021
Merged

Add regression test #12099

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5abb82b
Fix typo
nicolasstucki Apr 15, 2021
5a4fac8
Add regression test
nicolasstucki Apr 15, 2021
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2 changes: 1 addition & 1 deletion compiler/src/dotty/tools/dotc/ast/Desugar.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -946,7 +946,7 @@ object desugar {
tree.withMods(mods)
else if tree.name.startsWith("$") && !tree.isBackquoted then
report.error(
"""Quoted pattern variable names starting with $ are not suported anymore.
"""Quoted pattern variable names starting with $ are not supported anymore.
|Use lower cases type pattern name instead.
|""".stripMargin,
tree.srcPos)
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10 changes: 10 additions & 0 deletions tests/pos/i9531.scala
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Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
trait Scope:
type Expr[+T]

def exprQuote[T](x: T)(using s: Scope, dummy: Null = null): s.Expr[T] = ???
def exprQuote[T <: Singleton](x: T)(using s: Scope): s.Expr[T] = ???

def test(using s: Scope): Unit =
val t1: s.Expr[1] = exprQuote(1)
val t2 = exprQuote(1)
val t3: s.Expr[1] = t2