[Merged by Bors] - Fix equality between objects and undefined or null

[HalidOdat]

This PR fixes equality between object and null or undefined (like [] == null), which was failing the test262 harness test compare-array-symbol.js.

[github-actions]

Test262 conformance changes

VM implementation

Test result	main count	PR count	difference
Total	88,342	88,342	0
Passed	42,779	42,793	+14
Ignored	21,413	21,413	0
Failed	24,150	24,136	-14
Panics	12	12	0
Conformance	48.42%	48.44%	+0.02%

Fixed tests (14):

test/language/computed-property-names/basics/symbol.js [strict mode] (previously Failed)
test/language/computed-property-names/basics/symbol.js (previously Failed)
test/language/computed-property-names/object/method/symbol.js [strict mode] (previously Failed)
test/language/computed-property-names/object/method/symbol.js (previously Failed)
test/built-ins/Reflect/ownKeys/order-after-define-property.js [strict mode] (previously Failed)
test/built-ins/Reflect/ownKeys/order-after-define-property.js (previously Failed)
test/built-ins/Object/getOwnPropertySymbols/order-after-define-property.js [strict mode] (previously Failed)
test/built-ins/Object/getOwnPropertySymbols/order-after-define-property.js (previously Failed)
test/built-ins/RegExp/named-groups/unicode-match.js [strict mode] (previously Failed)
test/built-ins/RegExp/named-groups/unicode-match.js (previously Failed)
test/built-ins/String/prototype/replaceAll/replaceValue-call-each-match-position.js (previously Failed)
test/built-ins/String/prototype/replaceAll/replaceValue-call-matching-empty.js (previously Failed)
test/harness/compare-array-symbol.js [strict mode] (previously Failed)
test/harness/compare-array-symbol.js (previously Failed)

[codecov]

Codecov Report

Merging #1872 (9279606) into main (60e2294) will not change coverage.
The diff coverage is 50.00%.

@@           Coverage Diff           @@
##             main    #1872   +/-   ##
=======================================
  Coverage   46.67%   46.67%           
=======================================
  Files         204      204           
  Lines       16701    16701           
=======================================
  Hits         7796     7796           
  Misses       8905     8905           

Impacted Files	Coverage Δ
boa_engine/src/value/equality.rs	90.00% <50.00%> (ø)

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[Razican]

bors r+

[bors]

Pull request successfully merged into main.

Build succeeded:

• Clippy
• Documentation
• Examples
• Rustfmt
• Tests on Linux
• Tests on MacOS
• Tests on Windows

[github-actions]

Benchmark for 19bf048

Click to view benchmark

Test	Base	PR	%
Arithmetic operations (Compiler)	625.8±1.55ns	607.3±4.75ns	-2.96%
Arithmetic operations (Execution)	2.3±0.00µs	2.3±0.02µs	0.00%
Arithmetic operations (Parser)	5.7±0.03µs	5.7±0.04µs	0.00%
Array access (Compiler)	1520.8±3.56ns	1484.3±11.79ns	-2.40%
Array access (Execution)	11.7±0.05µs	12.1±0.61µs	+3.42%
Array access (Parser)	12.5±0.14µs	12.7±0.07µs	+1.60%
Array creation (Compiler)	2.1±0.01µs	2.2±0.02µs	+4.76%
Array creation (Execution)	3.9±0.00ms	3.7±0.03ms	-5.13%
Array creation (Parser)	14.1±0.19µs	14.4±0.06µs	+2.13%
Array pop (Compiler)	4.3±0.02µs	4.1±0.04µs	-4.65%
Array pop (Execution)	1761.4±167.00µs	1635.4±14.96µs	-7.15%
Array pop (Parser)	146.2±1.65µs	148.7±0.27µs	+1.71%
Boolean Object Access (Compiler)	1195.4±4.26ns	1187.4±8.90ns	-0.67%
Boolean Object Access (Execution)	7.1±0.03µs	6.9±0.07µs	-2.82%
Boolean Object Access (Parser)	15.2±0.17µs	15.7±0.15µs	+3.29%
Clean js (Compiler)	3.9±0.01µs	3.9±0.02µs	0.00%
Clean js (Execution)	1305.9±9.77µs	1276.8±31.47µs	-2.23%
Clean js (Parser)	30.5±0.22µs	31.0±0.28µs	+1.64%
Create Realm	330.1±17.58ns	315.7±1.76ns	-4.36%
Dynamic Object Property Access (Compiler)	1882.3±10.75ns	1890.9±17.97ns	+0.46%
Dynamic Object Property Access (Execution)	8.0±0.03µs	7.9±0.09µs	-1.25%
Dynamic Object Property Access (Parser)	11.0±0.09µs	11.2±0.10µs	+1.82%
Fibonacci (Compiler)	2.6±0.01µs	2.6±0.04µs	0.00%
Fibonacci (Execution)	2.1±0.01ms	2.1±0.01ms	0.00%
Fibonacci (Parser)	17.0±0.22µs	17.4±0.12µs	+2.35%
For loop (Compiler)	2.3±0.01µs	2.3±0.03µs	0.00%
For loop (Execution)	51.1±0.34µs	49.2±0.69µs	-3.72%
For loop (Parser)	14.8±0.18µs	14.9±0.10µs	+0.68%
Mini js (Compiler)	3.8±0.01µs	3.8±0.01µs	0.00%
Mini js (Execution)	1208.4±17.89µs	1166.0±14.72µs	-3.51%
Mini js (Parser)	26.6±0.18µs	27.1±0.29µs	+1.88%
Number Object Access (Compiler)	1105.3±4.46ns	1126.2±6.30ns	+1.89%
Number Object Access (Execution)	5.5±0.02µs	5.4±0.03µs	-1.82%
Number Object Access (Parser)	11.6±0.12µs	12.1±0.24µs	+4.31%
Object Creation (Compiler)	1635.1±8.98ns	1615.5±15.77ns	-1.20%
Object Creation (Execution)	7.2±0.03µs	7.3±0.03µs	+1.39%
Object Creation (Parser)	9.7±0.11µs	9.9±0.04µs	+2.06%
RegExp (Compiler)	1926.2±6.73ns	1884.9±19.41ns	-2.14%
RegExp (Execution)	14.2±0.09µs	14.4±0.17µs	+1.41%
RegExp (Parser)	10.6±0.11µs	10.7±0.16µs	+0.94%
RegExp Creation (Compiler)	1686.9±10.02ns	1624.9±14.04ns	-3.68%
RegExp Creation (Execution)	10.6±0.04µs	11.0±0.11µs	+3.77%
RegExp Creation (Parser)	8.8±0.08µs	8.9±0.09µs	+1.14%
RegExp Literal (Compiler)	1907.1±21.85ns	1912.4±19.88ns	+0.28%
RegExp Literal (Execution)	14.1±0.03µs	14.5±0.11µs	+2.84%
RegExp Literal (Parser)	8.6±0.10µs	8.6±0.12µs	0.00%
RegExp Literal Creation (Compiler)	1642.5±9.69ns	1663.8±18.80ns	+1.30%
RegExp Literal Creation (Execution)	10.6±0.03µs	11.0±0.14µs	+3.77%
RegExp Literal Creation (Parser)	6.7±0.09µs	6.8±0.04µs	+1.49%
Static Object Property Access (Compiler)	1654.7±9.10ns	1705.5±92.37ns	+3.07%
Static Object Property Access (Execution)	7.6±0.02µs	7.4±0.07µs	-2.63%
Static Object Property Access (Parser)	10.4±0.12µs	10.6±0.08µs	+1.92%
String Object Access (Compiler)	1615.1±7.56ns	1591.0±14.26ns	-1.49%
String Object Access (Execution)	9.1±0.05µs	8.9±0.10µs	-2.20%
String Object Access (Parser)	15.0±0.16µs	15.4±0.11µs	+2.67%
String comparison (Compiler)	2.5±0.01µs	2.5±0.02µs	0.00%
String comparison (Execution)	6.9±0.04µs	6.8±0.07µs	-1.45%
String comparison (Parser)	11.7±0.12µs	11.8±0.06µs	+0.85%
String concatenation (Compiler)	2.1±0.10µs	1950.4±17.56ns	-7.12%
String concatenation (Execution)	6.5±0.23µs	6.2±0.06µs	-4.62%
String concatenation (Parser)	7.9±0.08µs	8.0±0.01µs	+1.27%
String copy (Compiler)	1545.6±3.36ns	1526.0±10.10ns	-1.27%
String copy (Execution)	5.6±0.02µs	5.6±0.05µs	0.00%
String copy (Parser)	5.9±0.03µs	5.8±0.04µs	-1.69%
Symbols (Compiler)	1069.1±4.05ns	1081.8±17.12ns	+1.19%
Symbols (Execution)	5.3±0.02µs	5.3±0.07µs	0.00%
Symbols (Parser)	4.4±0.04µs	4.5±0.03µs	+2.27%