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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Linker error on Windows with -fsanitize=undefined and using <chrono> - unresolved symbol "___mulodi4""
href="https://bugs.llvm.org/show_bug.cgi?id=46669">46669</a>
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<th>Summary</th>
<td>Linker error on Windows with -fsanitize=undefined and using <chrono> - unresolved symbol "___mulodi4"
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>10.0
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<tr>
<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>-New Bugs
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>familiebaumanns@gmail.com
</td>
</tr>
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<th>CC</th>
<td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
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<pre>Created <span class=""><a href="attachment.cgi?id=23715" name="attach_23715" title="Source file">attachment 23715</a> <a href="attachment.cgi?id=23715&action=edit" title="Source file">[details]</a></span>
Source file
Expected Behaviour:
====================
No linker error
Actual Behaviour:
====================
unresolved symbol: ___mulodi4
Environment:
====================
OS: Windows 10 2004
Clang++ Version: 10.0.0, Target: i686-pc-windows-msvc
Compiler Output:
====================
LinkError.cpp:10:5: warning: ignoring return value of function declared with
'nodiscard' attribute [-Wunused-result]
Clock::now();
^~~~~~~~~~
1 warning generated.
Bibliothek "a.lib" und Objekt "a.exp" werden erstellt.
LinkError-0dde10.o : error LNK2019: Verweis auf nicht aufgelöstes externes
Symbol "___mulodi4" in Funktion ""public: static class
std::chrono::time_point<struct std::chrono::steady_clock,class
std::chrono::duration<__int64,struct std::ratio<1,1000000000> > > __cdecl
std::chrono::steady_clock::now(void)"
(?now@steady_clock@chrono@std@@SA?AV?$time_point@Usteady_clock@chrono@std@@V?$duration@_JU?$ratio@$00$0DLJKMKAA@@std@@@23@@23@XZ)".
a.exe : fatal error LNK1120: 1 nicht aufgelöste Externe
clang++: error: linker command failed with exit code 1120 (use -v to see
invocation)
Source-Code:
====================
#include <chrono>
#include <iostream>
#include <cstdint>
int main()
{
using Clock = std::chrono::high_resolution_clock;
Clock::now();
return 0;
}
Additional:
====================
This error occurs only on Windows - on Linux it works.</pre>
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