<html>
<head>
<base href="https://bugs.llvm.org/">
</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 - Incorrect DWARF at -O3 for function inside struct"
href="https://bugs.llvm.org/show_bug.cgi?id=48667">48667</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Incorrect DWARF at -O3 for function inside struct
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>DebugInfo
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>cmtice@google.com
</td>
</tr>
<tr>
<th>CC</th>
<td>jdevlieghere@apple.com, keith.walker@arm.com, llvm-bugs@lists.llvm.org, paul_robinson@playstation.sony.com
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=24353" name="attach_24353" title="test file to reproduce issue">attachment 24353</a> <a href="attachment.cgi?id=24353&action=edit" title="test file to reproduce issue">[details]</a></span>
test file to reproduce issue
If I compile the small attached test case (reduced from real code) with -g -O3,
I get a DW_TAG_subprogram die with no attributes in it:
$ clang++ -g -c -O3 ctor-test.cc
$ dwarfdump ctor-test.o
(Note the DIE at 0x46):
...
0x00000041: DW_TAG_pointer_type
DW_AT_type (0x0000002a "foo")
0x00000046: DW_TAG_subprogram
0x00000047: DW_TAG_class_type
DW_AT_calling_convention (DW_CC_pass_by_value)
DW_AT_byte_size (0x01)
DW_AT_decl_file
("/usr/local/google/home/cmtice/ctor-test.cc")
DW_AT_decl_line (3)
0x0000004c: DW_TAG_subprogram
DW_AT_name ("operator()")
DW_AT_decl_file
("/usr/local/google/home/cmtice/ctor-test.cc")
DW_AT_decl_line (3)
DW_AT_type (0x00000060 "auto")
DW_AT_declaration (true)
DW_AT_external (true)
DW_AT_accessibility (DW_ACCESS_public)
...
I'm attaching the test file and the dwarfdump I got.
$ cat ctor-test.cc
void f1();
struct foo { foo() { []{ f1(); }(); } };
int main() { foo f; }
$</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>