Renamed isParameter to isRegularParameter.

pkg/compiler/lib/src/inferrer/node_tracer.dart

Index: pkg/compiler/lib/src/inferrer/node_tracer.dart
diff --git a/pkg/compiler/lib/src/inferrer/node_tracer.dart b/pkg/compiler/lib/src/inferrer/node_tracer.dart
index c50929d01ba803a9b5bbf5fa890206c7a3617254..dca18a594a1632520edfddf1b29b053fc5214f8c 100644
--- a/pkg/compiler/lib/src/inferrer/node_tracer.dart
+++ b/pkg/compiler/lib/src/inferrer/node_tracer.dart
@@ -333,7 +333,7 @@ abstract class TracerVisitor<T extends TypeInformation>
    * [isAddedToContainer].
    */
   bool isParameterOfListAddingMethod(Element element) {
-    if (!element.isParameter) return false;
+    if (!element.isRegularParameter) return false;
     if (element.enclosingClass != compiler.backend.listImplementation) {
       return false;
     }
@@ -349,7 +349,7 @@ abstract class TracerVisitor<T extends TypeInformation>
    * [isValueAddedToMap] and [isKeyAddedToMap].
    */
   bool isParameterOfMapAddingMethod(Element element) {
-    if (!element.isParameter) return false;
+    if (!element.isRegularParameter) return false;
     if (element.enclosingClass != compiler.backend.mapImplementation) {
       return false;
     }