<div dir="ltr"><br><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Aug 1, 2014 at 4:42 PM, Aaron Ballman <span dir="ltr"><<a href="mailto:aaron@aaronballman.com" target="_blank">aaron@aaronballman.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div class="">On Fri, Aug 1, 2014 at 8:38 AM, Kostya Serebryany <<a href="mailto:kcc@google.com">kcc@google.com</a>> wrote:<br>
>><br>
>> I don't have access to either a valgrind or a msan build, but I took a<br>
><br>
> For msan you do need a separate build, but for valgrind your just run<br>
> valgrind on a regular build.<br>
<br>
</div>Valgrind doesn't work on Windows; I'm uncertain whether msan does or not?<br></blockquote><div>Nope. On Windows your are on your own against uninits (unless you want to try DrMemory)</div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
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>><br>
>> stab in the dark with r214502. I'll see if the msan bot thinks I've<br>
><br>
> Nope, the report is still there.<br>
<br>
</div>Drat! I'll do a bit more investigating...<br></blockquote><div><br></div><div>valgrind with --track-origins=yes gives this: </div><div><div>==3308== Uninitialised value was created by a heap allocation</div><div>
==3308== at 0x402F7C4: malloc (valgrind/coregrind/m_replacemalloc/vg_replace_malloc.c:270)</div><div>==3308== by 0x25CEAEA: clang::Preprocessor::AllocateMacroInfo()</div><div>==3308== by 0x25CEC3C: clang::Preprocessor::AllocateMacroInfo(clang::SourceLocation) </div>
<div>==3308== by 0x25D312A: clang::Preprocessor::HandleDefineDirective(clang::Token&, bool)</div><div>==3308== by 0x25D8E58: clang::Preprocessor::HandleDirective(clang::Token&)</div></div><div>...</div><div>
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<span class=""><font color="#888888"><br>
~Aaron<br>
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