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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 - clang asserts when total size of static variables exceeds the address space"
href="https://bugs.llvm.org/show_bug.cgi?id=35267">35267</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>clang asserts when total size of static variables exceeds the address space
</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>-New Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>ch3root@openwall.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Source code:
----------------------------------------------------------------------
int main(void)
{
static char a[-1u / 2];
static char b[-1u / 2];
static char c[3];
a[0] = 1;
b[0] = 1;
c[2] = 1;
}
----------------------------------------------------------------------
Results:
----------------------------------------------------------------------
$ clang -std=c11 -m32 test.c
clang-6.0:
/path/to/clang/sources/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp:123:
virtual void {anonymous}::X86AsmBackend::applyFixup(const llvm::MCAssembler&,
const llvm::MCFixup&, const llvm::MCValue&, llvm::MutableArrayRef<char>,
uint64_t, bool) const: Assertion `isIntN(Size * 8 + 1, Value) && "Value does
not fit in the Fixup field"' failed.
[etc.]
----------------------------------------------------------------------
clang x86-64 version: clang version 6.0.0 (trunk 317827)</pre>
</div>
</p>
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