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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Undefined variables in class Status in VirtualFileSystem.h"
href="https://bugs.llvm.org/show_bug.cgi?id=32921">32921</a>
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<th>Summary</th>
<td>Undefined variables in class Status in VirtualFileSystem.h
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<th>Product</th>
<td>clang
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
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<th>OS</th>
<td>Linux
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>enhancement
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>-New Bugs
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>zeccav@gmail.com
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<pre>After compiling clang trunk 301516 with gnu gcc -fsanitize=undefined option
I got many warnings at run time concerning undefined variables.
Many of them at tools/clang/include/clang/Basic/VirtualFileSystem.h:62
"Status() : Type(llvm::sys::fs::file_type::status_error) {}"
that I suggest to change into
"Status() : Type(llvm::sys::fs::file_type::status_error)
{Perms=llvm::sys::fs::no_perms;IsVFSMapped=false;}"
Thus explicitely initializing two local variables to safe values
and avoiding sanitizer warnings.
I propose to put this change in the trunk version.</pre>
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