diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/dotty/tools/dotc/typer/Typer.scala | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/dotty/tools/dotc/typer/Typer.scala b/src/dotty/tools/dotc/typer/Typer.scala index 5dc0452d1..331657e12 100644 --- a/src/dotty/tools/dotc/typer/Typer.scala +++ b/src/dotty/tools/dotc/typer/Typer.scala @@ -801,6 +801,10 @@ class Typer extends Namer with TypeAssigner with Applications with Implicits wit typr.println(s"adding refinement $refinement") checkRefinementNonCyclic(refinement, refineCls, seen) val rsym = refinement.symbol + if ((rsym.is(Method) || rsym.isType) && rsym.allOverriddenSymbols.isEmpty) { + println(refineCls.baseClasses) + ctx.error(i"refinement $rsym without matching type in parent $parent", refinement.pos) + } val rinfo = if (rsym is Accessor) rsym.info.resultType else rsym.info RefinedType(parent, rsym.name, rt => rinfo.substThis(refineCls, SkolemType(rt))) // todo later: check that refinement is within bounds |