• Toon Verwaest's avatar
    [parser] Change how catch is parsed · a5f559c3
    Toon Verwaest authored
    - Directly declares the special catch variable from the parser-base.
    - Tracks Scope on PreParserBlock and finds conflicting lexical declarations by
      simply walking the VariableMap of the block inserted for the pattern; or the
      catch variable in case of identifier.
    - This also enables throwing errors for duplicate let in the preparser. We may
      have to back that out if it breaks something.
    
    Bug: v8:2728, v8:7828
    Change-Id: Id2eea62062533eb99cd6670c42a4b1da87139008
    Reviewed-on: https://chromium-review.googlesource.com/c/1382095Reviewed-by: 's avatarIgor Sheludko <ishell@chromium.org>
    Commit-Queue: Toon Verwaest <verwaest@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#58353}
    a5f559c3
try-catch-lexical-conflict-preparser.js 225 Bytes