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<base href="http://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Incomplete AST related to std::initializer_list"
href="http://llvm.org/bugs/show_bug.cgi?id=22367">22367</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Incomplete AST related to std::initializer_list
</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>
<tr>
<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>
<tr>
<th>Component</th>
<td>C++11
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>abramo.bagnara@bugseng.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>For the following source:
#include <initializer_list>
typedef std::initializer_list<int> T;
void f(T);
template <typename U>
void g(U);
int main() {
f(T{0});
g(T{0});
}
We get this AST (initial part is omitted as it is not relevant):
`-FunctionDecl 0x7960cc0 <line:9:1, line:12:1> line:9:5 main 'int (void)'
`-CompoundStmt 0x7962d50 <col:12, line:12:1>
|-CallExpr 0x7962180 <line:10:3, col:9> 'void'
| |-ImplicitCastExpr 0x7962168 <col:3> 'void (*)(T)'
<FunctionToPointerDecay>
| | `-DeclRefExpr 0x79620e0 <col:3> 'void (T)' lvalue Function
0x7960940 'f' 'void (T)'
| `-CXXConstructExpr 0x79627a8 <col:6, col:8> 'T':'class
std::initializer_list<int>' 'void (class std::initializer_list<int> &&)
noexcept' elidable
| `-MaterializeTemporaryExpr 0x7962550 <col:6, col:8> 'class
std::initializer_list<int>' xvalue
| `-CXXStdInitializerListExpr 0x7961fa8 <col:6, col:8>
'T':'class std::initializer_list<int>'
| `-MaterializeTemporaryExpr 0x7961f90 <col:6, col:8> 'const
int [1]' xvalue
| `-InitListExpr 0x7961f48 <col:6, col:8> 'const int [1]'
| `-IntegerLiteral 0x7960e20 <col:7> 'int' 0
`-CallExpr 0x7962cd0 <line:11:3, col:9> 'void'
|-ImplicitCastExpr 0x7962cb8 <col:3> 'void (*)(class
std::initializer_list<int>)' <FunctionToPointerDecay>
| `-DeclRefExpr 0x7962c60 <col:3> 'void (class
std::initializer_list<int>)' lvalue Function 0x7962b60 'g' 'void (class
std::initializer_list<int>)' (FunctionTemplate 0x7960c20 'g')
`-CXXConstructExpr 0x7962d18 <col:6, col:8> 'class
std::initializer_list<int>':'class std::initializer_list<int>' 'void
(class std::initializer_list<int> &&) noexcept' elidable
`-MaterializeTemporaryExpr 0x7962d00 <col:6, col:8> 'class
std::initializer_list<int>' xvalue
`-CXXStdInitializerListExpr 0x7962910 <col:6, col:8>
'T':'class std::initializer_list<int>'
`-MaterializeTemporaryExpr 0x79628f8 <col:6, col:8> 'const
int [1]' xvalue
`-InitListExpr 0x79628b0 <col:6, col:8> 'const int [1]'
`-IntegerLiteral 0x7962848 <col:7> 'int' 0
This misses any reference to TypeLoc for T.
In
<a href="http://lists.cs.uiuc.edu/pipermail/cfe-commits/Week-of-Mon-20150126/122153.html">http://lists.cs.uiuc.edu/pipermail/cfe-commits/Week-of-Mon-20150126/122153.html</a>
Richard Smith points that a NoOp CXXFunctionalCastExpr is missing between
MaterializeTemporaryExpr and CXXStdInitializerListExpr.</pre>
</div>
</p>
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