[Webkit-unassigned] [Bug 183169] New: ReferenceError on constants within {}-block, unless in strict mode

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=183169

            Bug ID: 183169
           Summary: ReferenceError on constants within {}-block, unless in
                    strict mode
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: All
                OS: macOS 10.13
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: maarten at maartenenliesbeth.nl

The following code/syntax throws a ReferenceError
it should be valid es6 where MY_CONST is scoped to the {}-block

{
  const MY_CONST = 60000;
  function doIt() {
    console.log(MY_CONST);
  };
  doIt();
}


in strict mode it works:

"use strict";
{
  const MY_CONST = 60000;
  function doIt() {
    console.log(MY_CONST);
  };
  doIt();
}

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