Properly type js.If in statement position

gzm0 · gzm0 · commit 83606a2842a1 · 2021-02-26T14:08:13.000+01:00
diff --git a/compiler/src/main/scala/org/scalajs/nscplugin/GenJSCode.scala b/compiler/src/main/scala/org/scalajs/nscplugin/GenJSCode.scala
@@ -2312,8 +2312,12 @@ abstract class GenJSCode[G <: Global with Singleton](val global: G)
           }
 
         case If(cond, thenp, elsep) =>
+          val tpe =
+            if (isStat) jstpe.NoType
+            else toIRType(tree.tpe)
+
           js.If(genExpr(cond), genStatOrExpr(thenp, isStat),
-              genStatOrExpr(elsep, isStat))(toIRType(tree.tpe))
+              genStatOrExpr(elsep, isStat))(tpe)
 
         case Return(expr) =>
           js.Return(toIRType(expr.tpe) match {
