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<base href="http://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Assertion failure writing .ast files when class data member initializers contain Block expressions"
href="http://llvm.org/bugs/show_bug.cgi?id=20594">20594</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Assertion failure writing .ast files when class data member initializers contain Block expressions
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Frontend
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>thonermann@coverity.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>The following test cases compile to object code successfully, but fail an
assertion when a .ast file is emitted. The assertion failure has been
reproduced with Clang 3.4 and Clang trunk (r214770).
$ cat t.cpp
struct S {
static void(^bp)();
};
void(^S::bp)() = ^{};
$ cat t-cxx11.cpp
struct S {
void(^bp)() = ^{};
};
$ clang --version
clang version 3.6.0 (trunk 214770)
Target: x86_64-unknown-linux-gnu
Thread model: posix
$ clang -fblocks -c t.cpp
<no error>
$ clang -fblocks -c t.cpp -emit-ast
clang: .../lib/AST/DeclBase.cpp:701: bool
clang::Decl::AccessDeclContextSanity() const: Assertion `Access != AS_none &&
"Access specifier is AS_none inside a record decl"' failed.
...
$ clang -fblocks -std=c++11 -c t-cxx11.cpp
<no error>
$ clang -fblocks -std=c++11 -c t-cxx11.cpp -emit-ast
clang: .../lib/AST/DeclBase.cpp:701: bool
clang::Decl::AccessDeclContextSanity() const: Assertion `Access != AS_none &&
"Access specifier is AS_none inside a record decl"' failed.
...</pre>
</div>
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