636cb4f365
This commit is a precursor to making lazy arrow function parsing use
similar logic to function(){} argument parsing.
Originally landed in these three CLs:
https://codereview.chromium.org/1078093002
https://codereview.chromium.org/1083623002
https://codereview.chromium.org/1083953002
These were rolled out due to a performance regression on CodeLoad. This
patchset will fix that by avoiding creation of a DuplicateFinder in the
full parser.
R=marja@chromium.org
BUG=
LOG=N
Review URL: https://codereview.chromium.org/1100713002
Cr-Commit-Position: refs/heads/master@{#27960}
5 lines
187 B
Plaintext
5 lines
187 B
Plaintext
*%(basename)s:7: SyntaxError: Rest parameter must be last formal parameter
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function foo(...b, a) { return a }
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^
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SyntaxError: Rest parameter must be last formal parameter
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