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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - `-Wfor-loop-analysis` false positive when variable is modified in lambda in function template"
href="https://bugs.llvm.org/show_bug.cgi?id=49665">49665</a>
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<th>Summary</th>
<td>`-Wfor-loop-analysis` false positive when variable is modified in lambda in function template
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<th>Product</th>
<td>clang
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<th>Version</th>
<td>trunk
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<th>Hardware</th>
<td>PC
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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>david@doublewise.net
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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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<pre>The following code
```
template<typename>
void f() {
for (int x = 0; x != 1; ) {
[&]{ ++x; }();
}
}
```
when compiled with `-Wfor-loop-analysis` incorrectly warns
```
<source>:3:18: warning: variable 'x' used in loop condition not modified in
loop body [-Wfor-loop-analysis]
for (int x = 0; x != 1; ) {
^
1 warning generated.
Compiler returned: 0
```
See it live: <a href="https://godbolt.org/z/s6KPdY">https://godbolt.org/z/s6KPdY</a></pre>
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