Renamed isParameter to isRegularParameter.

pkg/compiler/lib/src/cps_ir/cps_ir_builder_task.dart

Index: pkg/compiler/lib/src/cps_ir/cps_ir_builder_task.dart
diff --git a/pkg/compiler/lib/src/cps_ir/cps_ir_builder_task.dart b/pkg/compiler/lib/src/cps_ir/cps_ir_builder_task.dart
index 28cc94a842012e74e85d78b04be75b6c7f75f1d0..80f149d700fb97d6587d4e3cd7691428e0dc6cce 100644
--- a/pkg/compiler/lib/src/cps_ir/cps_ir_builder_task.dart
+++ b/pkg/compiler/lib/src/cps_ir/cps_ir_builder_task.dart
@@ -3859,7 +3859,7 @@ class TryBoxedVariables extends ast.Visitor {
     if (Elements.isLocal(element)) {
       LocalElement local = element;
       if (insideInitializer &&
-          (local.isParameter || local.isInitializingFormal) &&
+          (local.isRegularParameter || local.isInitializingFormal) &&
           local.enclosingElement == currentFunction) {
         assert(local.enclosingElement.isConstructor);
         // Initializers in an initializer-list can communicate via parameters.
@@ -3871,7 +3871,7 @@ class TryBoxedVariables extends ast.Visitor {
         // outlive the activation of the function).
         markAsCaptured(local);
       } else if (inTryStatement) {
-        assert(local.isParameter ||
+        assert(local.isRegularParameter ||
             local.isVariable ||
             local.isInitializingFormal);
         // Search for the position of the try block containing the variable