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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Change b13d9878b8dc causes crash in VLASizeChecker"
href="https://bugs.llvm.org/show_bug.cgi?id=47272">47272</a>
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<th>Summary</th>
<td>Change b13d9878b8dc causes crash in VLASizeChecker
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>All
</td>
</tr>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Static Analyzer
</td>
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<th>Assignee</th>
<td>dcoughlin@apple.com
</td>
</tr>
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<th>Reporter</th>
<td>chris.hamilton@ericsson.com
</td>
</tr>
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<th>CC</th>
<td>dcoughlin@apple.com, llvm-bugs@lists.llvm.org
</td>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=23874" name="attach_23874" title="Simplified reproducer">attachment 23874</a> <a href="attachment.cgi?id=23874&action=edit" title="Simplified reproducer">[details]</a></span>
Simplified reproducer
Change b13d9878b8dc was identified through bisection as the cause of this
VLASizeChecker assertion failure:
clang-tidy:
/repo/eahcmrh/upstream-llvm-project/clang/lib/StaticAnalyzer/Checkers/VLASizeChecker.cpp:302:
void
{anonymous}::VLASizeChecker::checkPreStmt(const clang::DeclStmt*,
clang::ento::CheckerContext&) const: Assertion `State' failed.
PLEASE submit a bug report to <a href="https://bugs.llvm.org/">https://bugs.llvm.org/</a> and include the crash
backtrace.
Stack dump:
0. Program arguments: clang-tidy -checks=-*,clang-analyzer-* reduced.c
1. <eof> parser at end of file
2. While analyzing stack:
#0 Calling c
3. /repo/eahcmrh/upstream-llvm-project/reduced.c:6:5: Error evaluating
statement
4. /repo/eahcmrh/upstream-llvm-project/reduced.c:6:5: Error evaluating
statement
./run.sh: line 5: 57723 Aborted clang-tidy
-checks=-*,clang-analyzer-* reduced.c
Simple reproducer is attached. Crash can be reproduced by running 'clang-tidy
-checks=-*,clang-analyzer-* reduced.c'.</pre>
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