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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - CGRecordLayoutBuilder.cpp:747 assert triggered when capturing a VLA in a untied task"
href="https://bugs.llvm.org/show_bug.cgi?id=49366">49366</a>
</td>
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<th>Summary</th>
<td>CGRecordLayoutBuilder.cpp:747 assert triggered when capturing a VLA in a untied task
</td>
</tr>
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<th>Product</th>
<td>OpenMP
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<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>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Clang Compiler Support
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>rpenacob@bsc.es
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
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<pre>The following code triggers the assert
<a href="https://github.com/llvm/llvm-project/blob/a01a406bba8ac624a876f8d5720e1d4949a5b0fa/clang/lib/CodeGen/CGRecordLayoutBuilder.cpp#L747">https://github.com/llvm/llvm-project/blob/a01a406bba8ac624a876f8d5720e1d4949a5b0fa/clang/lib/CodeGen/CGRecordLayoutBuilder.cpp#L747</a>
void foo(int n) {
#pragma omp task untied
{
int array[n];
}
}
Assertion `Prior->FD->hasAttr<NoUniqueAddressAttr>() && "should not have reused
this field's tail padding"' failed.
PLEASE submit a bug report to <a href="mailto:pm-tools@bsc.es">mailto:pm-tools@bsc.es</a> and include the crash
backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: /home/user/llvm-mono/build/bin/clang-13 -cc1 -triple
x86_64-unknown-linux-gnu -emit-obj -mrelax-all --mrelax-relocations
-disable-free -main-file-name t1.c -mrelocation-model static
-mframe-pointer=all -fmath-errno -fno-rounding-math -mconstructor-aliases
-munwind-tables -target-cpu x86-64 -tune-cpu generic -fno-split-dwarf-inlining
-debugger-tuning=gdb -fcoverage-compilation-dir=/home/user/tmp -resource-dir
/home/user/llvm-mono/build/lib/clang/13.0.0 -internal-isystem
/usr/local/include -internal-isystem
/home/user/llvm-mono/build/lib/clang/13.0.0/include -internal-externc-isystem
/usr/include/x86_64-linux-gnu -internal-externc-isystem /include
-internal-externc-isystem /usr/include -fdebug-compilation-dir=/home/user/tmp
-ferror-limit 19 -fopenmp -fopenmp-cuda-parallel-target-regions
-fgnuc-version=4.2.1 -fcolor-diagnostics -faddrsig -o /tmp/t1-71672c.o -x c
t1.c
1. <eof> parser at end of file
2. Per-file LLVM IR generation
3. t1.c:1:6: Generating code for declaration 'foo'
Kind regards,</pre>
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