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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - -Wliteral-conversion diagnostic with negative values could be improved"
href="https://llvm.org/bugs/show_bug.cgi?id=25964">25964</a>
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<th>Summary</th>
<td>-Wliteral-conversion diagnostic with negative values could be improved
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>enhancement
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Frontend
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>aaron@aaronballman.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<p>
<div>
<pre>Consider the following code:
void f() {
bool b1 = -0.99f;
}
This produces the diagnostic: implicit conversion from 'float' to 'bool'
changes value from 0.99 to true
While it's valid to drop the negative sign in the diagnostic (because that's
not part of the literal value, but is instead an expression), it can still be a
bit confusing to users. It might fit programmer's mental models more closely
for the diagnostic to print -0.99 instead.</pre>
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