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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - '-Winvalid-return' triggers warning for destructor with 'noreturn' attribute"
href="http://llvm.org/bugs/show_bug.cgi?id=15595">15595</a>
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<th>Summary</th>
<td>'-Winvalid-return' triggers warning for destructor with 'noreturn' attribute
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>3.2
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</td>
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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>Static Analyzer
</td>
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<th>Assignee</th>
<td>kremenek@apple.com
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<th>Reporter</th>
<td>andrewjcg@gmail.com
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
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<p>
<div>
<pre>Compiling a class with a destructor with the 'noreturn' attribute causes a
warning with the -Winvalid-noreturn flag. I compile the following code snippet
with clang-3.2 and the '-Winvalid-return' flag:
class Test {
public:
Test() {}
__attribute__((noreturn)) ~Test() {}
};
compile error:
test.cpp:4:38: warning: function declared 'noreturn' should not return
[-Winvalid-noreturn]
__attribute__((noreturn)) ~Test() {}
^
1 warning generated.
I came across this issue when trying to debug an apparent false positive
dereference non-null static analysis check. It seems that clang doesn't detect
that it can eliminate a path with a local variable instance of a class with a
'noreturn' destructor.</pre>
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</p>
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