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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Expression parser: Couldn't materialize: couldn't get the value of variable g_88: DW_OP_piece for offset 4 but top of stack is of size 108"
href="https://bugs.llvm.org/show_bug.cgi?id=39798">39798</a>
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<th>Summary</th>
<td>Expression parser: Couldn't materialize: couldn't get the value of variable g_88: DW_OP_piece for offset 4 but top of stack is of size 108
</td>
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<th>Product</th>
<td>lldb
</td>
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<th>Version</th>
<td>7.0
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>enhancement
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
</tr>
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<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>davide@freebsd.org
</td>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=21162" name="attach_21162" title="testcase">attachment 21162</a> <a href="attachment.cgi?id=21162&action=edit" title="testcase">[details]</a></span>
testcase
(lldb) b main
Breakpoint 1: where = a.out`main + 4 at a-prepro.c:2303:5, address =
0x0000000100000b44
(lldb) r
Process 81971 launched:
'/Users/davide/work/llvm-project-20170507/build-rel/bin/a.out' (x86_64)
a.out was compiled with optimization - stepping may behave oddly; variables may
not be available.
Process 81971 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1
frame #0: 0x0000000100000b44 a.out`main(argc=1, argv=0x00007ffeefbffaf0) at
a-prepro.c:2303:5 [opt]
2300 int print_hash_value = 0;
2301 if (argc == 2 && strcmp(argv[1], "1") == 0) print_hash_value = 1;
2302 platform_main_begin();
-> 2303 func_1();
2304 for (i = 0; i < 8; i++)
2305 {
2306 csmith_sink_ = g_8[i];
(lldb) frame var g_88
(S0 [5]) g_88 = <DW_OP_piece for offset 4 but top of stack is of size 108>
(lldb) p g_88
error: Couldn't materialize: couldn't get the value of variable g_88:
DW_OP_piece for offset 4 but top of stack is of size 108
error: errored out in DoExecute, couldn't PrepareToExecuteJITExpression
$ ./clang a-prepro.c -g -O1 -Wno-everything</pre>
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