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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Assertion `MaybeODRUseExprs.empty() && "Leftover expressions for odr-use checking"' failed (recent regression)"
href="https://bugs.llvm.org/show_bug.cgi?id=42829">42829</a>
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<th>Summary</th>
<td>Assertion `MaybeODRUseExprs.empty() && "Leftover expressions for odr-use checking"' failed (recent regression)
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<th>Product</th>
<td>clang
</td>
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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
</td>
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<th>Severity</th>
<td>normal
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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>maltsevm@gmail.com
</td>
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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>Starting with:
commit 715f7a1bd058c64a39cc4773114dfb46ae8cc8a3
Author: Richard Smith <<a href="mailto:richard-llvm@metafoo.co.uk">richard-llvm@metafoo.co.uk</a>>
Date: Tue Jun 11 17:50:32 2019 +0000
For DR712: store on a DeclRefExpr whether it constitutes an odr-use.
Begin restructuring to support the forms of non-odr-use reference
permitted by DR712.
llvm-svn: 363086
The following code causes an assertion failure:
$ cat test.cc
const unsigned long s = alignof(int);
void foo() { alignas(s) int j; }
$ clang -fsyntax-only test.cc
... clang/lib/Sema/SemaDecl.cpp:13525: clang::Decl*
clang::Sema::ActOnFinishFunctionBody(clang::Decl*, clang::Stmt*, bool):
Assertion `MaybeODRUseExprs.empty() && "Leftover expressions for odr-use
checking"' failed.
...</pre>
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