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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - msvc-cl and clang-cl disagree on what can be static_asserted"
href="https://llvm.org/bugs/show_bug.cgi?id=26117">26117</a>
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<th>Summary</th>
<td>msvc-cl and clang-cl disagree on what can be static_asserted
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>C++
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>jmuizelaar@mozilla.com
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</tr>
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<th>CC</th>
<td>dgregor@apple.com, llvm-bugs@lists.llvm.org
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<th>Classification</th>
<td>Unclassified
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<p>
<div>
<pre>The following program compiles with msvc-cl but does not with clang-cl.
The Offsetof macro is the one from msvc's stddef.h
#include <stdint.h>
#define Offsetof(s,m) (size_t)( (ptrdiff_t)&reinterpret_cast<const volatile
char&>((((s *)0)->m)) )
struct MyClass {
int myMem;
};
static_assert(Offsetof(MyClass, myMem) == 0, "boom");
You can run into this when pre-processing source from msvc to compile with
clang-cl.</pre>
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