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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - In the for-range statement, erase() should not be used to remove the elements which the loop iterates over.(Potential defects)（llvm-project/llvm/utils/TableGen/CodeGenDAGPatterns.cpp:line 59 and line 771）"
href="https://bugs.llvm.org/show_bug.cgi?id=47073">47073</a>
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<th>Summary</th>
<td>In the for-range statement, erase() should not be used to remove the elements which the loop iterates over.(Potential defects)（llvm-project/llvm/utils/TableGen/CodeGenDAGPatterns.cpp:line 59 and line 771）
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<th>Product</th>
<td>libraries
</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
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<th>Status</th>
<td>NEW
</td>
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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>Object
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>info@ustchcs.com
</td>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<pre>In the for-range statement, erase() should not be used to remove the elements
which the loop iterates over.(Potential defects)
commit e3546c78cabfbf670391a57766872f0a8e28a423
llvm-project/llvm/utils/TableGen/CodeGenDAGPatterns.cpp:line 59
55 for (MVT T : S) {
56 if (!P(T))
57 continue;
58 Erased = true;
59 S.erase(T);
60 }
61 return Erased;
62 }
llvm-project/llvm/utils/TableGen/CodeGenDAGPatterns.cpp:line 771
764 std::set<MVT> Ovs;
765 for (MVT T : Out) {
766 if (!T.isOverloaded())
767 continue;
768
769 Ovs.insert(T);
770 // MachineValueTypeSet allows iteration and erasing.
771 Out.erase(T);
772 }
Reported by: Ustchcs Toolsets Bugfinder
(bugfinder-13.15: In the for-range statement, erase() should not be used to
remove the elements which the loop iterates over.)</pre>
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