Use failedAt in more places (constants, universe)

pkg/compiler/lib/src/universe/resolution_world_builder.dart

Index: pkg/compiler/lib/src/universe/resolution_world_builder.dart
diff --git a/pkg/compiler/lib/src/universe/resolution_world_builder.dart b/pkg/compiler/lib/src/universe/resolution_world_builder.dart
index 3000e38ddca200d3f4b71f4cf46adcf67a5b6d52..4573a9106a8ff70516f6873488ac3cac4351b119 100644
--- a/pkg/compiler/lib/src/universe/resolution_world_builder.dart
+++ b/pkg/compiler/lib/src/universe/resolution_world_builder.dart
@@ -630,8 +630,7 @@ abstract class ResolutionWorldBuilderBase
         useSet.addAll(usage.normalUse());
         break;
       case StaticUseKind.DIRECT_INVOKE:
-        invariant(
-            element, 'Direct static use is not supported for resolution.');
+        failedAt(element, 'Direct static use is not supported for resolution.');

[Siggi Cherem (dart-lang), 2017/05/24 16:03:29]

odd that here was invariant and the line below was a throw. Should they match?

         break;
       case StaticUseKind.INLINING:
         throw new SpannableAssertionFailure(CURRENT_ELEMENT_SPANNABLE,