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<base href="https://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ms] clang-cl produces .obj files that link.exe mis-links in /incremental mode"
href="https://llvm.org/bugs/show_bug.cgi?id=24740">24740</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[ms] clang-cl produces .obj files that link.exe mis-links in /incremental mode
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>LLVM Codegen
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>nicolasweber@gmx.de
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Here's a self-contained repro:
C:\src\llvm-build>type test.cc
#include <stdio.h>
int main(int argc, char* argv[]) {
#if 1
int kSize = 0xC000;
#else
int kSize = 0x1000;
#endif
fprintf(stderr, "%d\n", kSize);
}
C:\src\llvm-build>bin\clang-cl test.cc /c
C:\src\llvm-build>link test.obj /verbose:incr /incremental
Microsoft (R) Incremental Linker Version 12.00.31101.0
Copyright (C) Microsoft Corporation. All rights reserved.
C:\src\llvm-build>test
49152
C:\src\llvm-build>link test.obj /verbose:incr /incremental
C:\src\llvm-build>type test.cc
#include <stdio.h>
int main(int argc, char* argv[]) {
#if 0
int kSize = 0xC000;
#else
int kSize = 0x1000;
#endif
fprintf(stderr, "%d\n", kSize);
}
C:\src\llvm-build>bin\clang-cl test.cc /c
C:\src\llvm-build>link test.obj /verbose:incr /incremental
Microsoft (R) Incremental Linker Version 12.00.31101.0
Copyright (C) Microsoft Corporation. All rights reserved.
C:\src\llvm-build>test
49152
C:\src\llvm-build>link test.obj
Microsoft (R) Incremental Linker Version 12.00.31101.0
Copyright (C) Microsoft Corporation. All rights reserved.
C:\src\llvm-build>test
4096
majnemer discovered that this is due to clang-cl not writing timestamps into
COFF files.</pre>
</div>
</p>
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