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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Compiler seg-faults in lto for indirect goto"
href="https://llvm.org/bugs/show_bug.cgi?id=25907">25907</a>
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<th>Summary</th>
<td>Compiler seg-faults in lto for indirect goto
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>LLVM Codegen
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>santosh.zanjurne@amd.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>The regression was introduced in svn r255909
Revision details: <a href="http://reviews.llvm.org/D14838">http://reviews.llvm.org/D14838</a>
Assigned to the owner, Teresa Johnson.
clang igt.c -flto -O1
ld: trunk/llvm/lib/Bitcode/Reader/BitcodeReader.cpp:112:
{anonymous}::BitcodeReaderMDValueList::~BitcodeReaderMDValueList(): Assertion
`!NumFwdRefs || SavedFwdRefs' failed.
clang: error: unable to execute command: Aborted (core dumped)
clang: error: linker command failed due to signal (use -v to see invocation)
Testcase from llvm test-suite:
#include <stdio.h>
int main() {
static const void *L[] = {&&L1, &&L2, &&L3, &&L4, 0 };
unsigned i = 0;
printf("A\n");
L1:
printf("B\n");
L2:
printf("C\n");
L3:
printf("D\n");
goto *L[i++];
L4:
printf("E\n");
return 0;
}</pre>
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