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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - 123_p+1 combined with user defined literal should be ill-formed"
href="https://bugs.llvm.org/show_bug.cgi?id=39969">39969</a>
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<th>Summary</th>
<td>123_p+1 combined with user defined literal should be ill-formed
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<th>Product</th>
<td>clang
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<th>Version</th>
<td>trunk
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<th>Hardware</th>
<td>PC
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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>enhancement
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>C++
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>yaghmour.shafik@gmail.com
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<th>CC</th>
<td>blitzrakete@gmail.com, dgregor@apple.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>Given the following code
int operator"" _p(unsigned long long)
{ return 0; }
int test2()
{
return 123_p+1;
}
This should be ill-formed just like the following taken from this Stack
Overflow question <a href="https://stackoverflow.com/a/53726202/1708801">https://stackoverflow.com/a/53726202/1708801</a>
int operator"" _e(unsigned long long)
{ return 0; }
int test()
{
return 0x123_e+1;
}
Where I note due to maximal munch 0x123_e+1 is a pp-token but the same analysis
should also apply to 123_p+1 since the grammar for pp-token includes both:
pp-number e sign
pp-number p sign</pre>
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