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Bugs20070826
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Here are the known bugs in <a href="Release20070826">MLton 20070826</a>, listed in reverse chronological order of date reported. <p>
<a id="25"></a>
</p>
<ul>
<li>
<p>
Bug in the mark-compact garbage collector where the C library's <tt>memcpy</tt> was used to move objects during the compaction phase; this could lead to heap corruption and segmentation faults with newer versions of gcc and/or glibc, which assume that src and dst in a <tt>memcpy</tt> do not overlap. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=7461&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">7461</a>.
</p>
</li>
</ul>
<p>
<a id="24"></a>
</p>
<ul>
<li>
<p>
Bug in elaboration of <tt>datatype</tt> declarations with <tt>withtype</tt> bindings. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=7434&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">7434</a>.
</p>
</li>
</ul>
<p>
<a id="23"></a>
</p>
<ul>
<li>
<p>
Performance bug in <a href="RefFlatten">RefFlatten</a> optimization pass. Thanks to Reactive Systems for the bug report. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=7379&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">7379</a>.
</p>
</li>
</ul>
<p>
<a id="22"></a>
</p>
<ul>
<li>
<p>
Performance bug in <a href="SimplifyTypes">SimplifyTypes</a> optimization pass. Thanks to Reactive Systems for the bug report. Fixed by revisions <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=7377&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">7377</a> and <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=7378&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">7378</a>.
</p>
</li>
</ul>
<p>
<a id="21"></a>
</p>
<ul>
<li>
<p>
Bug in amd64 codegen register allocation of indirect C calls. Thanks to David Hansel for the bug report. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=7368&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">7368</a>.
</p>
</li>
</ul>
<p>
<a id="20"></a>
</p>
<ul>
<li>
<p>
Bug in <tt>IntInf.scan</tt> and <tt>IntInf.fromString</tt> where leading spaces were only accepted if the stream had an explicit sign character. Thanks to David Hansel for the bug report. Fixed by revisions <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=7227&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">7227</a> and <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=7230&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">7230</a>.
</p>
</li>
</ul>
<p>
<a id="19"></a>
</p>
<ul>
<li>
<p>
Bug in <tt>IntInf.~>></tt> that could cause a <tt>glibc</tt> assertion. Fixed by revisions <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=7083&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">7083</a>, <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=7084&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">7084</a>, and <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=7085&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">7085</a>.
</p>
</li>
</ul>
<p>
<a id="18"></a>
</p>
<ul>
<li>
<p>
Bug in the return type of <tt>MLton.Process.reap</tt>. Thanks to Risto Saarelma for the bug report. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=7029&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">7029</a>.
</p>
</li>
</ul>
<p>
<a id="17"></a>
</p>
<ul>
<li>
<p>
Bug in <tt>MLton.size</tt> and <tt>MLton.share</tt> when tracing the current stack. Fixed by revisions <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6978&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6978</a>, <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6981&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6981</a>, <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6988&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6988</a>, <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6989&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6989</a>, and <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6990&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6990</a>.
</p>
</li>
</ul>
<p>
<a id="16"></a>
</p>
<ul>
<li>
<p>
Bug in nested <tt>_export</tt>/<tt>_import</tt> functions. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6919&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6919</a>.
</p>
</li>
</ul>
<p>
<a id="15"></a>
</p>
<ul>
<li>
<p>
Bug in the name mangling of <tt>_import</tt>-ed functions with the <tt>stdcall</tt> convention. Thanks to Lars Bergstrom for the bug report. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6672&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6672</a>.
</p>
</li>
</ul>
<p>
<a id="14"></a>
</p>
<ul>
<li>
<p>
Bug in Windows code to page the heap to disk when unable to grow the heap to a desired size. Thanks to Sami Evangelista for the bug report. Fixed by revisions <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6600&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6600</a> and <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6624&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6624</a>.
</p>
</li>
</ul>
<p>
<a id="13"></a>
</p>
<ul>
<li>
<p>
Bug in *NIX code to page the heap to disk when unable to grow the heap to a desired size. Thanks to Nicolas Bertolotti for the bug report and patch. Fixed by revisions <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6596&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6596</a> and <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6600&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6600</a>.
</p>
</li>
</ul>
<p>
<a id="12"></a>
</p>
<ul>
<li>
<p>
Space-safety bug in pass to <a href="RefFlatten"> flatten refs</a> into containing data structure. Thanks to Daniel Spoonhower for the bug report and initial diagnosis and patch. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6395&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6395</a>.
</p>
</li>
</ul>
<p>
<a id="11"></a>
</p>
<ul>
<li>
<p>
Bug in the frontend that rejected <tt>op longvid</tt> patterns and expressions. Thanks to Florian Weimer for the bug report. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6347&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6347</a>.
</p>
</li>
</ul>
<p>
<a id="10"></a>
</p>
<ul>
<li>
<p>
Bug in the <a class="external" href="http://mlton.org/basis/imperative-io.html#SIG:IMPERATIVE_IO.canInput:VAL"><img src="moin-www.png" alt="[WWW]" height="11" width="11">IMPERATIVE_IO.canInput</a> function of the <a href="BasisLibrary">Basis Library</a> implementation. Thanks to Ville Laurikari for the bug report. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6261&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6261</a>.
</p>
</li>
</ul>
<p>
<a id="9"></a>
</p>
<ul>
<li>
<p>
Bug in algebraic simplification of real primitives. <a class="external" href="http://mlton.org/basis/real.html#SIG:REAL.\|@LTE\|:VAL"><img src="moin-www.png" alt="[WWW]" height="11" width="11">Real<N>.<=(x, x)</a> is <tt>false</tt> when <tt>x</tt> is NaN. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6242&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6242</a>.
</p>
</li>
</ul>
<p>
<a id="8"></a>
</p>
<ul>
<li>
<p>
Bug in the FFI visible representation of <tt>Int16.int ref</tt> (and references of other primitive types smaller than 32-bits) on big-endian platforms. Thanks to Dave Herman for the bug report. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6267&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6267</a>.
</p>
</li>
</ul>
<p>
<a id="7"></a>
</p>
<ul>
<li>
<p>
Bug in type inference of flexible records. This would later cause the compiler to raise the <tt>TypeError</tt> exception. Thanks to Wesley Terpstra for the bug report. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6229&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6229</a>.
</p>
</li>
</ul>
<p>
<a id="6"></a>
</p>
<ul>
<li>
<p>
Bug in cross-compilation of <tt>gdtoa</tt> library. Thanks to Wesley Terpstra for the bug report and patch. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6620&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6620</a>.
</p>
</li>
</ul>
<p>
<a id="5"></a>
</p>
<ul>
<li>
<p>
Bug in pass to <a href="RefFlatten"> flatten refs</a> into containing data structure. Thanks to Ruy Ley-Wild for the bug report. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6191&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6191</a>.
</p>
</li>
</ul>
<p>
<a id="4"></a>
</p>
<ul>
<li>
<p>
Bug in the handling of weak pointers by the mark-compact garbage collector. Thanks to Sean McLaughlin for the bug report and Florian Weimer for the initial diagnosis. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6183&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6183</a>.
</p>
</li>
</ul>
<p>
<a id="3"></a>
</p>
<ul>
<li>
<p>
Bug in the elaboration of structures with signature constraints. This would later cause the compiler to raise the <tt>TypeError</tt> exception. Thanks to Vesa Karvonen for the bug report. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6046&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6046</a>.
</p>
</li>
</ul>
<p>
<a id="2"></a>
</p>
<ul>
<li>
<p>
Bug in the interaction of <tt>_export</tt>-ed functions and signal handlers. Thanks to Sean McLaughlin for the bug report. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=6013&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">6013</a>.
</p>
</li>
</ul>
<p>
<a id="1"></a>
</p>
<ul>
<li>
<p>
Bug in the implementation of <tt>_export</tt>-ed functions using the <tt>char</tt> type, leading to a linker error. Thanks to Katsuhiro Ueno for the bug report. Fixed by revision <a href = "http://mlton.org/cgi-bin/viewsvn.cgi?rev=5999&view=rev"><img src="moin-www.png" alt="[WWW]" height="11" width="11">5999</a>.
</p>
</li>
</ul>
</div>
<p>
<hr>
Last edited on 2010-05-13 13:28:40 by <span title="fenrir.cs.rit.edu"><a href="MatthewFluet">MatthewFluet</a></span>.
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