<html>
    <head>
      <base href="https://bugs.webkit.org/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Byte codes for dot call and bracket call of super are different"
   href="https://bugs.webkit.org/show_bug.cgi?id=157136">157136</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Byte codes for dot call and bracket call of super are different
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>JavaScriptCore
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>gskachkov&#64;gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>(new class D extends class { m() {}} { constructor() { super(); super['m']() } }())
[   0] enter             
[   1] get_scope         loc3
[   3] mov               loc4, loc3
[   6] mov               loc5, this
[   9] mov               this, &lt;JSValue()&gt;(const1)
[  12] get_by_id         loc6, head3, __proto__(&#64;id0)    predicting None
[  21] mov               loc8, loc5
[  24] construct         loc6, loc6, 1, 14 status(Could Take Slow Path)    predicting None
[  33] is_empty          loc9, this
[  36] jtrue             loc9, 6(-&gt;42)
[  39] throw_static_error String (atomic) (identifier): 'super()' can't be called more than once in a constructor., ID: 4(const2), true
[  42] mov               this, loc6
[  45] get_by_id         loc6, head3, PrivateSymbol.homeObject(&#64;id1)    predicting None
[  54] get_by_id         loc7, loc6, __proto__(&#64;id0)    predicting None
[  63] get_by_id         loc8, loc7, m(&#64;id2)    predicting None
[  72] op_check_tdz      this
[  74] mov               loc10, this
[  77] call              loc8, loc8, 1, 16 status(Could Take Slow Path)    Original; predicting None
[  86] op_check_tdz      this
[  88] is_object         loc6, this
[  91] jtrue             loc6, 16(-&gt;107)
[  94] is_undefined      loc6, this
[  97] jtrue             loc6, 6(-&gt;103)
[ 100] throw_static_error String (atomic) (identifier): Cannot return a non-object type in the constructor of a derived class., ID: 4(const3), false
[ 103] op_check_tdz      this
[ 105] ret               this
[ 107] ret               this


(new class D extends class { m() {}} { constructor() { super(); super.m() } }())
[   0] enter             
[   1] get_scope         loc3
[   3] mov               loc4, loc3
[   6] mov               loc5, this
[   9] mov               this, &lt;JSValue()&gt;(const1)
[  12] get_by_id         loc6, head3, __proto__(&#64;id0)    predicting None
[  21] mov               loc8, loc5
[  24] construct         loc6, loc6, 1, 14 status(Could Take Slow Path)    predicting None
[  33] is_empty          loc9, this
[  36] jtrue             loc9, 6(-&gt;42)
[  39] throw_static_error String (atomic) (identifier): 'super()' can't be called more than once in a constructor., ID: 4(const2), true
[  42] mov               this, loc6
[  45] op_check_tdz      this
[  47] mov               loc8, this
[  50] get_by_id         loc9, head3, PrivateSymbol.homeObject(&#64;id1)    predicting None
[  59] get_by_id         loc10, loc9, __proto__(&#64;id0)    predicting None
[  68] get_by_id         loc6, loc10, m(&#64;id2)    predicting None
[  77] call              loc6, loc6, 1, 14 status(Could Take Slow Path)    Original; predicting None
[  86] op_check_tdz      this
[  88] is_object         loc6, this
[  91] jtrue             loc6, 16(-&gt;107)
[  94] is_undefined      loc6, this
[  97] jtrue             loc6, 6(-&gt;103)
[ 100] throw_static_error String (atomic) (identifier): Cannot return a non-object type in the constructor of a derived class., ID: 4(const3), false
[ 103] op_check_tdz      this
[ 105] ret               this
[ 107] ret               this

For my prospective it should be the same byte code. lines 45 are diffrent</pre>
        </div>
      </p>
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