<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 - Crash in MC with alias of alias."
href="https://bugs.llvm.org/show_bug.cgi?id=40784">40784</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Crash in MC with alias of alias.
</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>Linux
</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>Backend: WebAssembly
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>sbc@chromium.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>```
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown-wasm"
@foo = alias i8, bitcast (i8* ()* @func to i8*)
@bar = alias i8* (), i8* ()* @func
@bar2 = alias i8* (), i8* ()* @bar
define i8* @func() {
call i8* @bar2();
ret i8* @foo;
}
```
Results in:
llc:
/usr/local/google/home/sbc/dev/wasm/llvm-project/llvm/include/llvm/MC/MCSymbol.h:323:
uint64_t llvm::MCSymbol::getOffset() const: Assertion `(SymbolContents ==
SymContentsUnset || SymbolContents == SymContentsOffset) && "Cannot get offset
for a common/variable symbol"' failed.
Stack dump:</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>