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<base href="https://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [LTO] Undefined symbols reported when linking old gas(1) on FreeBSD"
href="https://llvm.org/bugs/show_bug.cgi?id=28218">28218</a>
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<th>Summary</th>
<td>[LTO] Undefined symbols reported when linking old gas(1) on FreeBSD
</td>
</tr>
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<th>Product</th>
<td>lld
</td>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>All Bugs
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>davide@freebsd.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>$ sh link.sh
undefined symbol: __libc_allocate_tls
undefined symbol: __malloc
undefined symbol: __calloc
undefined symbol: __realloc
undefined symbol: __free
undefined symbol: _thread_autoinit_dummy_decl_stub
undefined symbol: __clock_gettime
undefined symbol: __raise
$ nm -print-armap ./libc.a |grep __malloc
__malloc in jemalloc_jemalloc.o
[...]
U __malloc
---------------- T __malloc
The output of llvm-dis on jemalloc_jemalloc.o shows:
module asm ".weak malloc"
module asm ".equ malloc, __malloc"
; Function Attrs: nounwind sspstrong uwtable
define noalias i8* @__malloc(i64 %size) #0 {
entry:
%tsdn = alloca %struct.tsdn_s*, align 8
%usize = alloca i64, align 8
%ut = alloca %struct.malloc_utrace_t, align 8
[...]
Repro coming (bugzilla doesn't like large attachments)</pre>
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