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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - static volatile is not honored by the optimizer"
href="https://llvm.org/bugs/show_bug.cgi?id=30922">30922</a>
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<th>Summary</th>
<td>static volatile is not honored by the optimizer
</td>
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<th>Product</th>
<td>new-bugs
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>new bugs
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>kcc@google.com
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<th>Classification</th>
<td>Unclassified
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<p>
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<pre>Test case:
static volatile int *VAR;
void FOO() { VAR = 0; }
Using fresh trunk on Linux x86_64
At O1 and above this function compiles into empty one,
removing the store to VAR. At O0 the store is preserved.
gcc honors volatile and does not remove the store.</pre>
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