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Applied patch; refs #2294

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[SVN r67743]
This commit is contained in:
Marshall Clow 2011-01-07 00:45:21 +00:00
parent 8102e77939
commit ea0efea7cd
1 changed files with 32 additions and 4 deletions
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36
status/explicit-failures-markup.xml
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@ -2546,24 +2546,52 @@ for more information.
<toolset name="gcc-3.4.6_linux_ia64"/>
<toolset name="gcc-4.2.*"/>
<toolset name="gcc-4.1.2_sunos_i86pc"/>
<note author="Fernando Cacciola" refid="2"/>
<note author="Fernando Cacciola" id="optional-compiler-bug">
<p>This failure is caused by a compiler bug, and as far as we can
tell, can't be worked around in the library, although we think
the library might be made safer with respect to this bug.</p>
<p>Specifics: the following simple test fails when it should succeed.</p>
<pre>
#include &lt;cassert&gt;
int const x = 0;
struct A
{
A(int const&amp; y)
{
assert(&amp;x == &amp;y);
}
};
int main()
{
A a(x); // direct initialization works fine
A b = x; // copy initialization causes x to be copied before it is bound
}
</pre>
The possible safety enhancement would be to cause the constructor
in question to be explicit for optional&lt;T const&amp;&gt;; that
would prevent copy initialization.
</note>
</mark-expected-failures>
<mark-expected-failures>
<test name="optional_test_ref_fail1"/>
<toolset name="borland-5.6*"/>
<toolset name="borland-5.8*"/>
<toolset name="borland-5.9*"/>
<note author="Fernando Cacciola" refid="2"/>
<note author="Fernando Cacciola" refid="optional-compiler-bug"/>
</mark-expected-failures>
<mark-expected-failures>
<test name="optional_test_fail3a"/>
<toolset name="gcc-3_3-darwin"/>
<note author="Fernando Cacciola" refid="2"/>
<note author="Fernando Cacciola" refid="optional-compiler-bug"/>
</mark-expected-failures>
<mark-expected-failures>
<test name="optional_test_inplace_fail2"/>
<toolset name="gcc-3_3-darwin"/>
<note author="Fernando Cacciola" refid="2"/>
<note author="Fernando Cacciola" refid="optional-compiler-bug"/>
</mark-expected-failures>
</library>