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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - std=c2x is using some Gnu extensions"
href="https://bugs.llvm.org/show_bug.cgi?id=52573">52573</a>
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<th>Summary</th>
<td>std=c2x is using some Gnu extensions
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<th>Product</th>
<td>clang
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<th>Version</th>
<td>12.0
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<th>Hardware</th>
<td>Other
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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>C
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>tydeman@tybor.com
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<th>CC</th>
<td>blitzrakete@gmail.com, dgregor@apple.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<pre>Using std=c2x is using gnu-folding-constant. I believe c2x mode is supposed to
NOT use any gnu extensions.
The code in question is of the form:
int vla[ (int)+0x4.0p0 ] = { 7 };
The message says a VLA was folded to a constant array.
This is on an ARM laptop computer running Fedora Linux 34.</pre>
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