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<base href="https://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - clang -fsanitize breaks initial stdio stream orientation"
href="https://llvm.org/bugs/show_bug.cgi?id=30843">30843</a>
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<tr>
<th>Summary</th>
<td>clang -fsanitize breaks initial stdio stream orientation
</td>
</tr>
<tr>
<th>Product</th>
<td>compiler-rt
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>compiler-rt
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>sylvestre@debian.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Reported here <a href="https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=784222">https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=784222</a>
richard@deodand:~/junk$ cat t.c
#include <stdio.h>
#include <wchar.h>
int main(void) {
FILE *fp = fopen("/dev/null", "r");
return printf("initial orientation: %d\n", fwide(fp, 0));
}
richard@deodand:~/junk$ clang-3.6 -fsanitize=address -o t t.c
richard@deodand:~/junk$ ./t
initial orientation: -1
richard@deodand:~/junk$ clang-3.6 -o t t.c
richard@deodand:~/junk$ ./t
initial orientation: 0
richard@deodand:~/junk$ gcc -o t t.c
richard@deodand:~/junk$ ./t
initial orientation: 0</pre>
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