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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Provide strict check for pure attribute"
href="http://llvm.org/bugs/show_bug.cgi?id=22286">22286</a>
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<th>Summary</th>
<td>Provide strict check for pure attribute
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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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>Static Analyzer
</td>
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<th>Assignee</th>
<td>kremenek@apple.com
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<th>Reporter</th>
<td>fizzbooze@gmail.com
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
</td>
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<p>
<div>
<pre>Currently an impure function can be attributed as 'pure' and still compile
correctly with no warnings or errors. i.e.:
// BEGIN CODE
int global = 0;
__attribute__((pure))
void foo() {
global += 1; // this obviously violates the pure attribute
}
int main() {
foo();
}
// END CODE
It would be nice to be able to enable some sort of warning or error for code
like this.</pre>
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</p>
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