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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 - Incorrect debug value for integer when building at `-O1`"
href="https://bugs.llvm.org/show_bug.cgi?id=39874">39874</a>
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<th>Summary</th>
<td>Incorrect debug value for integer when building at `-O1`
</td>
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<tr>
<th>Product</th>
<td>libraries
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>DebugInfo
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>davide@freebsd.org
</td>
</tr>
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<th>CC</th>
<td>jdevlieghere@apple.com, keith.walker@arm.com, llvm-bugs@lists.llvm.org, paul_robinson@playstation.sony.com
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<p>
<div>
<pre>$ cat a.c
char a = 25;
short b() {
short i = 23680;
i = a;
optimize_me_not();
return a;
}
int main() { b(); }
$ cat b.c
void optimize_me_not() {}
Process 98619 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = step over
frame #0: 0x0000000100000f8b a.out`b at a.c:6:10 [opt]
3 short i = 23680;
4 i = a;
5 optimize_me_not();
-> 6 return a;
7 }
8 int main() { b(); }
(lldb) frame var a
(char) a = '\x19'
(lldb) frame var i
(short) i = 23680
`i` should be 25.
</pre>
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</p>
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