.

Author: lihaoyi

compiler/src/dotty/tools/dotc/interactive/Completion.scala

@@ -715,13 +715,17 @@ object Completion:
      * @param qual The argument to which the implicit conversion should be applied.
      * @return The set of types after `qual` implicit conversion.
      */
-    private def implicitConversionTargets(qual: tpd.Tree)(using Context): Set[SearchSuccess] = {
+    private def implicitConversionTargets(qual: tpd.Tree)(using Context): Set[SearchSuccess] = try {
       val typer = ctx.typer
       val conversions = new typer.ImplicitSearch(defn.AnyType, qual, pos.span, Set.empty).allImplicits
 
       interactiv.println(i"implicit conversion targets considered: ${conversions.toList}%, %")
       conversions
-    }
+    } catch case NonFatal(ex) =>
+      logger.warning(
+        s"Exception when searching for implicit conversions:\n ${ex.getMessage()}\n${ex.getStackTrace().mkString("\n")}"
+      )
+      Set.empty
 
     /** Filter for names that should appear when looking for completions. */
     private object completionsFilter extends NameFilter: