perf(es/parser): Use bitflags to reduce parser context size

[CPunisher]

Context size: 30 bytes -> 4 bytes

[changeset-bot]

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Latest commit: 51a74d0

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[codspeed-hq]

CodSpeed Performance Report

Merging #10367 will improve performances by 5.08%

_{Comparing CPunisher:04-12-perf/parser-context (86ae11e) with main (d3fb992)}

Summary

⚡ 14 improvements
✅ 138 untouched benchmarks

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
⚡	es/codegen/with-parser/colors	193.6 µs	189.2 µs	+2.3%
⚡	es/codegen/with-parser/large	1.5 ms	1.5 ms	+2.7%
⚡	es/parser/angular	30.9 ms	29.5 ms	+4.69%
⚡	es/parser/backbone	4.8 ms	4.6 ms	+4.71%
⚡	es/parser/cal-com	93.8 ms	90.7 ms	+3.44%
⚡	es/parser/colors	127.4 µs	122.5 µs	+3.99%
⚡	es/parser/jquery	24.8 ms	23.7 ms	+4.82%
⚡	es/parser/jquery mobile	38.1 ms	36.4 ms	+4.63%
⚡	es/parser/mootools	19.8 ms	18.8 ms	+5.08%
⚡	es/parser/three	116.9 ms	112.2 ms	+4.22%
⚡	es/parser/typescript	663.5 ms	634.3 ms	+4.59%
⚡	es/parser/underscore	4.2 ms	4 ms	+4.89%
⚡	es/parser/yui	18.8 ms	18 ms	+4.7%
⚡	typescript/fast-strip	679.7 µs	660.3 µs	+2.94%

[kdy1]

Wow! It's HUGE. Thank you!

[kdy1]

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