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Improve arguments object (#4145)

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- Enhancement: Arguments object properties are now lazy instantiated
 - Bugfix: Mapped arguments object instantiated properties cannot be lcached
 - Bugfix: Mapped arguments should be constructed even if 0 formal parameters or arguments are provided
 - Update: remove 'caller' property of unmapped arguments object

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2020-09-28 15:57:58 +02:00
committed by GitHub
parent 32de38198a
commit 75385a6045
14 changed files with 943 additions and 591 deletions
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tests/test262-es6-excludelist.xml
+7 -8
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@@ -243,14 +243,6 @@
<test id="intl402/String/prototype/toLocaleUpperCase/special_casing_Turkish.js"><reason></reason></test>
<test id="language/arguments-object/10.6-13-a-2.js"><reason></reason></test>
<test id="language/arguments-object/10.6-13-a-3.js"><reason></reason></test>
<test id="language/arguments-object/mapped/mapped-arguments-nonconfigurable-2.js"><reason></reason></test>
<test id="language/arguments-object/mapped/mapped-arguments-nonconfigurable-4.js"><reason></reason></test>
<test id="language/arguments-object/mapped/mapped-arguments-nonconfigurable-delete-2.js"><reason></reason></test>
<test id="language/arguments-object/mapped/mapped-arguments-nonconfigurable-delete-4.js"><reason></reason></test>
<test id="language/arguments-object/mapped/mapped-arguments-nonconfigurable-nonwritable-3.js"><reason></reason></test>
<test id="language/arguments-object/mapped/mapped-arguments-nonconfigurable-nonwritable-4.js"><reason></reason></test>
<test id="language/arguments-object/mapped/mapped-arguments-nonconfigurable-strict-delete-2.js"><reason></reason></test>
<test id="language/arguments-object/mapped/mapped-arguments-nonconfigurable-strict-delete-4.js"><reason></reason></test>
<test id="language/asi/S7.9_A5.7_T1.js"><reason></reason></test>
<test id="language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-function-declaration-with-function-declaration.js"><reason>No longer a SyntaxError in ES11</reason></test>
<test id="language/default-parameters/function-length.js"><reason></reason></test>
@@ -344,4 +336,11 @@
<test id="built-ins/RegExp/prototype/ignoreCase/15.10.7.3-1.js"><reason>RegExp accessors should no longer throw when called on the RegExp prototype</reason></test>
<test id="built-ins/RegExp/prototype/multiline/15.10.7.4-1.js"><reason>RegExp accessors should no longer throw when called on the RegExp prototype</reason></test>
<test id="built-ins/RegExp/prototype/source/15.10.7.1-1.js"><reason>RegExp accessors should no longer throw when called on the RegExp prototype</reason></test>
<test id="language/arguments-object/10.6-13-b-1-s.js"><reason>ES11: arguments object no longer has caller property</reason></test>
<test id="language/arguments-object/10.6-13-b-2-s.js"><reason>ES11: arguments object no longer has caller property</reason></test>
<test id="language/arguments-object/10.6-13-b-3-s.js"><reason>ES11: arguments object no longer has caller property</reason></test>
<test id="language/arguments-object/10.6-14-1-s.js"><reason>ES11: arguments object no longer has caller property</reason></test>
<test id="language/arguments-object/10.6-14-b-1-s.js"><reason>ES11: arguments object no longer has caller property</reason></test>
<test id="language/arguments-object/10.6-14-b-4-s.js"><reason>ES11: arguments object no longer has caller property</reason></test>
<test id="language/statements/class/strict-mode/arguments-caller.js"><reason>ES11: arguments object no longer has caller property</reason></test>
</excludeList>