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Boshen
fca2e0cfed
Rejects initialized `let` and `const` declarations in `for...in` during parsing while preserving Annex B's non-strict `var` form. Adds misc coverage for valid and invalid initializer forms. Verified with `just ready` and parser conformance. Closes #25149. AI-assisted.
4 lines
114 B
JavaScript
4 lines
114 B
JavaScript
// Annex B.3.5 disallows a `var` initializer in a for-in head in strict mode.
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"use strict";
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for (var a = 1 in b);
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