<html>
    <head>
      <base href="https://bugs.llvm.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 - lldb not stopped at an executed return statement"
   href="https://bugs.llvm.org/show_bug.cgi?id=48381">48381</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>lldb not stopped at an executed return statement
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>lldb
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </td>
        </tr>

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

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>All Bugs
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>lldb-dev@lists.llvm.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>yangyibiao@nju.edu.cn
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>jdevlieghere@apple.com, llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=24232" name="attach_24232" title="the binary 'a.out'">attachment 24232</a> <a href="attachment.cgi?id=24232&action=edit" title="the binary 'a.out'">[details]</a></span>
the binary 'a.out'

$ clang -O1 -g small.c


$ lldb a.out
(lldb) target create "a.out"
Current executable set to '/root/DeVIL/a.out' (x86_64).
(lldb) b main
Breakpoint 1: where = a.out`main at small.c:14:10, address = 0x00000000004004a0
(lldb) run
-> 14     for (; d < 1; d++)

(lldb) step
-> 15       for (; b < 1; b++)
(lldb) step
-> 16         *c[b][d + 1] = 0;
(lldb) step
-> 15       for (; b < 1; b++)
(lldb) step
-> 14     for (; d < 1; d++)
(lldb) step
-> 18     return 0;
(lldb)



$ lldb a.out
(lldb) target create "a.out"
Current executable set to '/root/DeVIL/a.out' (x86_64).
(lldb) b 18
Breakpoint 1: where = a.out`main + 10 at small.c:18:3, address =
0x00000000004004aa
(lldb) run
Process 27027 launched: '/root/DeVIL/a.out' (x86_64)
Process 27027 exited with status = 0 (0x00000000)
(lldb)



$ cat small.c
struct S
{
  volatile int f;
} a;

unsigned int b;

static int *c[1][2] = {{0, (int *)&a.f}};
static unsigned int d;

int
main ()
{
  for (; d < 1; d++)
    for (; b < 1; b++)
      *c[b][d + 1] = 0;

  return 0;
}</pre>
        </div>
      </p>


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