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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 --- - Specifying invalid architecture for Linux as target calls unreachable"
href="https://llvm.org/bugs/show_bug.cgi?id=25648">25648</a>
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</tr>
<tr>
<th>Summary</th>
<td>Specifying invalid architecture for Linux as target calls unreachable
</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>Driver
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>dsabogal.ufl@gmail.com
</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>Specifying invalid-linux as target calls unreachable
The issue arises when specifying the target with an invalid architecture for
Linux.
- invalid-*bsd issues the expected unknown target diagnostic
- invalid-linux results in the issue below
Output
======
$ clang -target invalid-linux test.c
Unexpected arch
UNREACHABLE executed at
/home/dsabogal/llvm/tools/clang/lib/Driver/Tools.cpp:8472!
0 clang 0x00000000026913de
llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 46
1 clang 0x0000000002691859
2 clang 0x000000000268fac3 llvm::sys::RunSignalHandlers() + 131
3 clang 0x0000000002691ab4
4 libpthread.so.0 0x00007f800927cd60
5 libc.so.6 0x00007f800844f5f8 gsignal + 56
6 libc.so.6 0x00007f8008450a7a abort + 362
7 clang 0x0000000002621120 LLVMInstallFatalErrorHandler + 0
8 clang 0x0000000002d84eb5
9 clang 0x0000000002d83a45
10 clang 0x0000000002cf0b08
clang::driver::Driver::BuildJobsForAction(clang::driver::Compilation&,
clang::driver::Action const*, clang::driver::ToolChain const*, char const*,
bool, bool, char const*, clang::driver::InputInfo&) const + 4344
11 clang 0x0000000002ce8c52
clang::driver::Driver::BuildJobs(clang::driver::Compilation&) const + 1010
12 clang 0x0000000002ce3ca5
clang::driver::Driver::BuildCompilation(llvm::ArrayRef<char const*>) + 3989
13 clang 0x0000000000ac809b main + 5067
14 libc.so.6 0x00007f800843c610 __libc_start_main + 240
15 clang 0x0000000000ac6b79 _start + 41
Stack dump:
0. Program arguments: /home/dsabogal/opt/llvm/bin/clang -target
invalid-linux test.c
1. Compilation construction
2. Building compilation jobs
3. Building compilation jobs
Aborted (core dumped)
Version
=======
This issue occurs on the few compilers that I've tried (3.7.0 and 3.8.0).
clang version 3.8.0 (trunk 253895)
Target: x86_64-unknown-linux-gnu
Thread model: posix</pre>
</div>
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