src/collection.js - Issue 1187473008: Bug demonstration: lookup failure in case expression in native js

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Unified Diff: src/collection.js

Issue 1187473008: Bug demonstration: lookup failure in case expression in native js (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Created 5 years, 6 months ago

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Index: src/collection.js

diff --git a/src/collection.js b/src/collection.js

index 86898529c3b7e8289e55b33696307c216eb3dfe5..dc0c29af2360bef671947c56588c39fb60942c73 100644

--- a/src/collection.js

+++ b/src/collection.js

@@ -378,7 +378,15 @@ function MapSet(key, value) {

}

+var GlobalFoo = 5;

function MapHas(key) {

+ switch (key) {

+ case GlobalFoo:

+ throw 'Adam was here';

+ }

if (!IS_MAP(this)) {

throw MakeTypeError(kIncompatibleMethodReceiver,

'Map.prototype.has', this);

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