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fix(es/minifier): avoid JSX sequence inlining loop - #12149
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| // `ExprReplacer` cannot replace (for example, JSX element names). | ||
| // Probe the actual replacer before taking the initializer so a failed | ||
| // replacement cannot report progress or discard the source binding. | ||
| let mut replacement_probe = b.clone(); |
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When b is a large fallback expression—particularly a parenthesized JSX subtree—this deep-clones and traverses the entire AST before traversing the original again, adding allocations and potentially substantial latency in this hot minifier path. Use a read-only replaceability visitor, or make ExprReplacer report whether it consumed the value, so the preflight does not duplicate the subtree.
AGENTS.md reference: AGENTS.md:L7-L7
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Merging this PR will not alter performance
Comparing 
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Donny/강동윤 (kdy1)
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Donny/강동윤 (kdy1)
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Approving as there's no perf regression
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Description:
Prevent sequence inlining from reporting progress when an identifier is used solely as a JSX element name, which cannot be represented by an arbitrary replacement expression. The replacement is preflighted before consuming the initializer, and evaluator regression tests cover parenthesized JSX, direct JSX, and normal expression inlining.
Related issue (if exists):
Closes #12148