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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - noexcept should check whether the expression is a constant expression"
href="http://llvm.org/bugs/show_bug.cgi?id=15481">15481</a>
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<th>Summary</th>
<td>noexcept should check whether the expression is a constant expression
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<th>Product</th>
<td>clang
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<th>Version</th>
<td>trunk
</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
</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++11
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>richard-llvm@metafoo.co.uk
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<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
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<p>
<div>
<pre>Quoth the book of C++, [expr.unary.noexcept]p3:
"The result of the noexcept operator is false if in a potentially-evaluated
context the expression would contain a potentially-evaluated call to a
function, member function, function pointer, or member function pointer that
does not have a non-throwing exception-specification (15.4), *unless the call
is a constant
expression (5.19)*". We do not implement that last phrase:
<stdin>:1:33: error: static_assert failed ""
constexpr int f() { return 0; } static_assert(noexcept(f()), "");
^ ~~~~~~~~~~~~~</pre>
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</p>
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