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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Wunreachable-code warns that [[likely]] and [[unlikely]] are unreachable"
href="https://bugs.llvm.org/show_bug.cgi?id=52103">52103</a>
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<th>Summary</th>
<td>Wunreachable-code warns that [[likely]] and [[unlikely]] are unreachable
</td>
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<th>Product</th>
<td>clang
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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
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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
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<th>Component</th>
<td>C++2a
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>nicolasweber@gmx.de
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<th>CC</th>
<td>blitzrakete@gmail.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<p>
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<pre>$ cat foo.cc
int main(int argc, char* argv[]) {
if (argc > 100) [[unlikely]]
return 1;
return 0;
}
$ out/gn/bin/clang -Wunreachable-code -c foo.cc -std=c++20
foo.cc:2:19: warning: code will never be executed [-Wunreachable-code]
if (argc > 100) [[unlikely]]
^~~~~~~~~~~~
That's pretty silly.
(There's also <a class="bz_bug_link
bz_status_NEW "
title="NEW - -Wunreachable-code should not complain about unreachable declarations."
href="show_bug.cgi?id=19020">bug 19020</a>; not quite sure if this is a dupe of that or not.)</pre>
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