Fix invalid location in inline super constructor.

lib/compiler/implementation/ssa/builder.dart

Index: lib/compiler/implementation/ssa/builder.dart
diff --git a/lib/compiler/implementation/ssa/builder.dart b/lib/compiler/implementation/ssa/builder.dart
index 6750f6de210305a3ec9da00cd91d7515c6a10d61..4f4ee4269127b5b1c16c74fc7673dd991b041517 100644
--- a/lib/compiler/implementation/ssa/builder.dart
+++ b/lib/compiler/implementation/ssa/builder.dart
@@ -1113,7 +1113,9 @@ class SsaBuilder extends ResolvedVisitor implements Visitor {
             element: constructor);
       }
 
+      sourceElementStack.add(constructor.enclosingElement);
       buildFieldInitializers(constructor.enclosingElement, fieldValues);
+      sourceElementStack.removeLast();
 
       int index = 0;
       FunctionSignature params = constructor.computeSignature(compiler);
@@ -2297,8 +2299,8 @@ class SsaBuilder extends ResolvedVisitor implements Visitor {
         typeInfo = pop();
       }
       if (type.element.isTypeVariable()) {
-        // TODO(karlklose): We currently answer true to any is check 
-        // involving a type variable -- both is T and is !T -- until 
+        // TODO(karlklose): We currently answer true to any is check
+        // involving a type variable -- both is T and is !T -- until
         // we have a proper implementation of reified generics.
         stack.add(graph.addConstantBool(true, constantSystem));
       } else {