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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Enable LeakSanitizer by default and make clang bootstrap LeakSanitizer-clean"
href="http://llvm.org/bugs/show_bug.cgi?id=19521">19521</a>
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<th>Summary</th>
<td>Enable LeakSanitizer by default and make clang bootstrap LeakSanitizer-clean
</td>
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<th>Product</th>
<td>new-bugs
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>new bugs
</td>
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<th>Assignee</th>
<td>kcc@google.com
</td>
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<th>Reporter</th>
<td>kcc@google.com
</td>
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<th>CC</th>
<td>earthdok@google.com, llvmbugs@cs.uiuc.edu, samsonov@google.com
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<th>Depends on</th>
<td>19520
</td>
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<th>Classification</th>
<td>Unclassified
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<p>
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<pre>This is a meta bug for cleaning up clang from leaks.
If we enable lsan by default there will be quite a few leaks during
the clang bootstrap -- we need to clean them first.
reproduce on x86_64 linux:
1. Enable lsan by editing projects/compiler-rt/lib/asan/asan_rtl.cc
- cf->detect_leaks = false; // CAN_SANITIZE_LEAKS;
+ cf->detect_leaks = CAN_SANITIZE_LEAKS;
You can not achieve the same by setting ASAN_OPTIONS because the lit runner
strips env vars.
2. Build clang
3. Build another clang using the clang from step 2 with
-DLLVM_USE_SANITIZER=Address
4. Run "make check-clang check-llvm"</pre>
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