[Webkit-unassigned] [Bug 148061] New: REGRESSION: Can't move cursor to start of text after entering long string of text into <input type=text>

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=148061

            Bug ID: 148061
           Summary: REGRESSION: Can't move cursor to start of text after
                    entering long string of text into <input type=text>
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: iOS
                OS: iOS 8.2
            Status: NEW
          Severity: Major
          Priority: P2
         Component: Forms
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: webkit at rebertia.com

Platform: iOS 8.4
Hardware: iPhone 5S
Original Bootstrap issue: https://github.com/twbs/bootstrap/issues/16988

To reproduce:
1. Open http://jsfiddle.net/cvrebert/cjn5n4z2/show/ in iOS Safari.
2. Tap into the text input.
3. Type in a long string of text, such that the start of the text has been pushed to far to the left that it's no longer visible.
4. Attempt to move the cursor towards the start of the text by long pressing within the input and then, without taking your finger off the touchscreen, moving your finger beyond the left edge of the text input field.

Expected result:
The text in the input should start moving to the right, so that eventually the beginning of the text is reached.

Actual result:
The text in the input does not start moving to the right.

--------
Copy of JS Fiddle testcase:

HTML:
<br /><br />
<input type="text" />

CSS:
input {
    /*ensure there's some empty space on both sides of the input*/
    position: relative;
    left: 33%;
    width: 33%;
}

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