Fixture reproduction for enableOwnerStacks error perf

[jackpope]

Reproduces a dev perf regression we see internally with enableOwnerStacks turned on and lots of JSX element creation.

[react-sizebot]

Comparing: 8759c5c...b4641c9

Critical size changes

Includes critical production bundles, as well as any change greater than 2%:

Name	+/-	Base	Current	+/- gzip	Base gzip	Current gzip
oss-stable/react-dom/cjs/react-dom.production.js	=	6.68 kB	6.68 kB	=	1.83 kB	1.83 kB
oss-stable/react-dom/cjs/react-dom-client.production.js	=	515.48 kB	515.43 kB	=	92.04 kB	92.03 kB
oss-experimental/react-dom/cjs/react-dom.production.js	=	6.69 kB	6.69 kB	=	1.83 kB	1.83 kB
oss-experimental/react-dom/cjs/react-dom-client.production.js	=	558.52 kB	558.46 kB	=	99.27 kB	99.25 kB
facebook-www/ReactDOM-prod.classic.js	=	636.88 kB	636.83 kB	=	111.92 kB	111.91 kB
facebook-www/ReactDOM-prod.modern.js	=	627.20 kB	627.15 kB	=	110.34 kB	110.33 kB

Significant size changes

Includes any change greater than 0.2%:

Expand to show

Name	+/-	Base	Current	+/- gzip	Base gzip	Current gzip
react-native/implementations/ReactFabric-prod.js	=	358.66 kB	357.92 kB	=	62.37 kB	62.27 kB
react-native/implementations/ReactFabric-profiling.js	=	383.98 kB	383.16 kB	=	66.08 kB	65.98 kB
facebook-www/React-dev.classic.js	=	71.75 kB	71.44 kB	=	15.60 kB	15.54 kB
facebook-www/React-dev.modern.js	=	71.75 kB	71.44 kB	=	15.60 kB	15.54 kB
facebook-react-native/react/cjs/React-dev.js	=	67.16 kB	66.85 kB	=	14.78 kB	14.72 kB
facebook-www/React-profiling.classic.js	=	21.48 kB	21.20 kB	=	5.46 kB	5.40 kB
facebook-www/React-profiling.modern.js	=	21.48 kB	21.20 kB	=	5.46 kB	5.40 kB
facebook-www/React-prod.classic.js	=	21.04 kB	20.76 kB	=	5.38 kB	5.32 kB
facebook-www/React-prod.modern.js	=	21.04 kB	20.76 kB	=	5.38 kB	5.32 kB
facebook-react-native/react/cjs/React-profiling.js	=	19.97 kB	19.68 kB	=	5.15 kB	5.09 kB
facebook-react-native/react/cjs/React-prod.js	=	19.53 kB	19.25 kB	=	5.07 kB	5.01 kB

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