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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - ExprMutationAnalyzer issue with vararg"
href="https://bugs.llvm.org/show_bug.cgi?id=38957">38957</a>
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<th>Summary</th>
<td>ExprMutationAnalyzer issue with vararg
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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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>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Static Analyzer
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dcoughlin@apple.com
</td>
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<th>Reporter</th>
<td>lebedev.ri@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>I think this example is incorrect and is a duplicate of
<a class="bz_bug_link
bz_status_NEW "
title="NEW - ExprMutationAnalyzer is confused by uninstanciated template function?!"
href="show_bug.cgi?id=38955">https://bugs.llvm.org/show_bug.cgi?id=38955</a>, but this is the best i can do
right now. Can't write better interestingness test for creduce.
void c(char *f, ...);
void c(char *f, ...) {
__builtin_va_list e;
__builtin_va_start(e, f);
__builtin_va_end(e);
}
template <int> void o() {
for (int i;; ++i) {
c(__PRETTY_FUNCTION__, i);
}
}
error: variable is mutated in the loop body and loop iteration expression
[bugprone-loop-variable-mutations,-warnings-as-errors]
for (int i;; ++i) {
^
note: loop in question
for (int i;; ++i) {
^
note: mutation in loop body occurs here
c(__PRETTY_FUNCTION__, i);
^
note: mutation in loop iteration expression occurs here
for (int i;; ++i) {
^</pre>
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