<html>
<head>
<base href="http://llvm.org/bugs/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Dependent template-id parsing fails to match angle brackets in certain comma delimited contexts"
href="http://llvm.org/bugs/show_bug.cgi?id=20459">20459</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Dependent template-id parsing fails to match angle brackets in certain comma delimited contexts
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</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>
<tr>
<th>Component</th>
<td>C++
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>hstong@ca.ibm.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Clang chokes on commas in template argument lists in dependent template-ids in
certain contexts.
### SOURCE:
$ cat dependentTemplateComma.cc
template <typename EncTraits> struct A {
void foo(int = EncTraits::template TypeEnc<int, int>::val);
};
### COMPILER INVOCATION AND OUTPUT:
$ /build/clang/workdir/Debug+Asserts/bin/clang++ dependentTemplateComma.cc -c
dependentTemplateComma.cc:2:55: error: expected ')'
void foo(int = EncTraits::template TypeEnc<int, int>::val);
^
dependentTemplateComma.cc:2:12: note: to match this '('
void foo(int = EncTraits::template TypeEnc<int, int>::val);
^
dependentTemplateComma.cc:2:50: error: expected '>'
void foo(int = EncTraits::template TypeEnc<int, int>::val);
^
2 errors generated.
### EXPECTED BEHAVIOUR:
Clean compile.
### COMPILER VERSION INFO:
$ /build/clang/workdir/Debug+Asserts/bin/clang++ -v
clang version 3.5.0 (trunk 212631)
Target: x86_64-unknown-linux-gnu
Thread model: posix
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8.2
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9.0
Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8
Candidate multilib: .;@m64
Selected multilib: .;@m64</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>