pkg/compiler/lib/src/js_emitter/old_emitter/reflection_data_parser.dart - Issue 998983002: Ensure that descriptors have a prototype.

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Unified Diff: pkg/compiler/lib/src/js_emitter/old_emitter/reflection_data_parser.dart

Issue 998983002: Ensure that descriptors have a prototype. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Added missing test. Created 5 years, 9 months ago

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Index: pkg/compiler/lib/src/js_emitter/old_emitter/reflection_data_parser.dart

diff --git a/pkg/compiler/lib/src/js_emitter/old_emitter/reflection_data_parser.dart b/pkg/compiler/lib/src/js_emitter/old_emitter/reflection_data_parser.dart

index 5981370a47a9b5d75f139a2c9ae161a17a261d22..86a9cbaf775a10877bdd728ff330380a39ec4fec 100644

--- a/pkg/compiler/lib/src/js_emitter/old_emitter/reflection_data_parser.dart

+++ b/pkg/compiler/lib/src/js_emitter/old_emitter/reflection_data_parser.dart

@@ -55,7 +55,8 @@ jsAst.Expression getReflectionDataParser(OldEmitter oldEmitter,

jsAst.Statement processClassData = js.statement('''{

function processClassData(cls, descriptor, processedClasses) {

- var newDesc = map(); // Use a slow object.

+ var newDesc = {};

+ newDesc.x = 0; delete newDesc.x; // Make object slow.

var previousProperty;

var properties = Object.keys(descriptor);

for (var i = 0; i < properties.length; i++) {