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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - cfi-icall + ThinLTO program containing indirect call to inline function fails to link"
href="https://bugs.llvm.org/show_bug.cgi?id=33831">33831</a>
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<th>Summary</th>
<td>cfi-icall + ThinLTO program containing indirect call to inline function fails to link
</td>
</tr>
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<th>Product</th>
<td>libraries
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Interprocedural Optimizations
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
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<th>Reporter</th>
<td>peter@pcc.me.uk
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>$ cat icall.cpp
inline void f() {}
void g(void (*p)()) {
p();
}
int main() {
g(f);
}
$ clang++ icall.cpp -fsanitize=cfi-icall -flto=thin -fuse-ld=lld -O2
ld.lld: error: undefined symbol: f() (.cfi)
<span class="quote">>>> referenced by ld-temp.o
>>> lto.tmp:(f())</span >
clang-5.0: error: linker command failed with exit code 1 (use -v to see
invocation)</pre>
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