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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - -Wuninitialized inside lambda"
href="https://bugs.llvm.org/show_bug.cgi?id=46913">46913</a>
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<th>Summary</th>
<td>-Wuninitialized inside lambda
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>enhancement
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>C++
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>federico.kircheis@gmail.com
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<th>CC</th>
<td>blitzrakete@gmail.com, dgregor@apple.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<p>
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<pre>I've a bug that GCC was able to avoid thanks to "-Wuninitialized -O1", but that
clang fails to diagnose.
The reduced test-case is
----
int main() {
int i = [&](){return i;}();
return i;
}
----
I've tried compiling with "-Weverything -Wno-c++98-compat -O2" and other
optimizations level, without any luck.
Notice that
----
int main() {
int i = i;
return i;
}
----
gets diagnosed correctly with "warning: variable 'i' is uninitialized when used
within its own initialization [-Wuninitialized]".
Another example where clang does not emit any diagnostic but GCC does:
----
int main() {
int i;
[&](){i++;}();
return i;
}
----</pre>
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