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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - clang trunk thinks 1+1 is 9223372036854775810 (converting `long double` to `size_t`)"
href="https://bugs.llvm.org/show_bug.cgi?id=40779">40779</a>
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<th>Summary</th>
<td>clang trunk thinks 1+1 is 9223372036854775810 (converting `long double` to `size_t`)
</td>
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<th>Product</th>
<td>new-bugs
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
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<th>OS</th>
<td>Linux
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>new bugs
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>dholbert@mozilla.com
</td>
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<th>CC</th>
<td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=21493" name="attach_21493" title="testcase">attachment 21493</a> <a href="attachment.cgi?id=21493&action=edit" title="testcase">[details]</a></span>
testcase
STR:
1. Compile and run the attached testcase program, the key part of which is
here:
<span class="quote">> long double one = 1;
> size_t result(one + 1); // This should equal 2.</span >
ACTUAL RESULTS, with locally-built clang version 9.0.0 (trunk 354359):
The program prints:
<span class="quote">> Failed (expected 2 and got 9223372036854775810)</span >
EXPECTED RESULTS:
The program should print:
<span class="quote">> Success (expected 2 and got 2)</span >
This is causing a startup crash in my locally-built Firefox, compiled with
locally-built Clang (from llvm trunk 354359).</pre>
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