'[llvm-bugs] [Bug 45998] volatile lead to inconsistent behaviors between step-by-step and stepi-by-st'

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List:       llvm-bugs
Subject:    [llvm-bugs] [Bug 45998] volatile lead to inconsistent behaviors between step-by-step and stepi-by-st
From:       via llvm-bugs <llvm-bugs () lists ! llvm ! org>
Date:       2020-06-30 12:05:46
Message-ID: bug-45998-206-ZpAFl0vgEq () http ! bugs ! llvm ! org/
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Date: Tue, 30 Jun 2020 05:05:47 -0700
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https://bugs.llvm.org/show_bug.cgi?id=45998

labath@google.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |labath@google.com
         Resolution|---                         |WONTFIX

--- Comment #5 from labath@google.com ---
I agree with Jim's analysis. Closing as working-as-intended.

If you're using some sort of automated tool to generate these test cases, maybe
you could teach it to ignore/coalesce the source-level stops that don't
actually end up moving the program counter?

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<html>
    <head>
      <base href="https://bugs.llvm.org/">
    </head>
    <body><span class="vcard"><a class="email" href="mailto:labath&#64;google.com" \
title="labath&#64;google.com">labath&#64;google.com</a> </span> changed
          <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED WONTFIX - volatile lead to inconsistent behaviors between \
step-by-step and stepi-by-stepi in lldb"  \
href="https://bugs.llvm.org/show_bug.cgi?id=45998">bug 45998</a>  <br>
             <table border="1" cellspacing="0" cellpadding="8">
          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
          </tr>

         <tr>
           <td style="text-align:right;">Status</td>
           <td>NEW
           </td>
           <td>RESOLVED
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">CC</td>
           <td>
               &nbsp;
           </td>
           <td>labath&#64;google.com
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Resolution</td>
           <td>---
           </td>
           <td>WONTFIX
           </td>
         </tr></table>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED WONTFIX - volatile lead to inconsistent behaviors between \
step-by-step and stepi-by-stepi in lldb"  \
href="https://bugs.llvm.org/show_bug.cgi?id=45998#c5">Comment # 5</a>  on <a \
class="bz_bug_link   bz_status_RESOLVED  bz_closed"
   title="RESOLVED WONTFIX - volatile lead to inconsistent behaviors between \
step-by-step and stepi-by-stepi in lldb"  \
                href="https://bugs.llvm.org/show_bug.cgi?id=45998">bug 45998</a>
              from <span class="vcard"><a class="email" \
href="mailto:labath&#64;google.com" \
title="labath&#64;google.com">labath&#64;google.com</a> </span></b>
        <pre>I agree with Jim's analysis. Closing as working-as-intended.

If you're using some sort of automated tool to generate these test cases, maybe
you could teach it to ignore/coalesce the source-level stops that don't
actually end up moving the program counter?</pre>
        </div>
      </p>

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