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Use supercall context when calling inserted super traits #12003

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Merged
merged 1 commit into from
Apr 13, 2021
Merged

Use supercall context when calling inserted super traits #12003

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2 changes: 1 addition & 1 deletion compiler/src/dotty/tools/dotc/typer/Typer.scala
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Expand Up @@ -2289,7 +2289,7 @@ class Typer extends Namer
var added: Tree = TypeTree(parent).withSpan(cdef.nameSpan.focus)
if psym.is(Trait) && psym.primaryConstructor.info.takesImplicitParams then
// classes get a constructor separately using a different context
added = ensureConstrCall(cls, added)
added = ensureConstrCall(cls, added)(using superCtx)
added :: parentTrees(parents1, ptrees)
case _ =>
ptrees
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1 change: 1 addition & 0 deletions tests/run/i11966.check
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@@ -0,0 +1 @@
1
17 changes: 17 additions & 0 deletions tests/run/i11966.scala
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@@ -0,0 +1,17 @@
trait A[T]:
def f: T

trait B[T: A]:
println(summon[A[T]].f)

trait C[T: A] extends B[T]

given a1: A[Int] with
def f = 1

class D extends C[Int]:
given a2: A[Int] with
def f = 2

@main def Test = D()