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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 --- - Typo correction removing base class specificer causes assertion failure later"
href="http://llvm.org/bugs/show_bug.cgi?id=20626">20626</a>
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</tr>
<tr>
<th>Summary</th>
<td>Typo correction removing base class specificer causes assertion failure later
</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>
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<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>rtrieu@google.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>test.cc:
class A {
public:
void Foo() {};
};
class B {};
class C : public A, public B {
void Run() {
B::Foo();
}
};
commandline:
clang -fsyntax-only test.cc
assertion:
lib/Sema/SemaDeclCXX.cpp:1715
Assertion `DerivationOkay && "Can only be used with a derived-to-base
conversion"' failed.
diagnostic messages before crash:
test.cc:10:5: error: no member named 'Foo' in 'B'; did you mean simply 'Foo'?
B::Foo();
^~~~~~
Foo
test.cc:3:8: note: 'Foo' declared here
void Foo() {};
^
Theory:
At SemaExpr.cpp:1921, "B::foo();" is corrected to "foo();" Later, at
SemaDeclCXX.cpp:1715, foo() is known to be from class A, but it still performs
a class B is derived from class A check, as if the "B::" was still there.</pre>
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</p>
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