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<base href="https://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - -Wliteral-conversion warns about implicit conversion changing 0.99 to false"
href="https://llvm.org/bugs/show_bug.cgi?id=25876">25876</a>
</td>
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<th>Summary</th>
<td>-Wliteral-conversion warns about implicit conversion changing 0.99 to false
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>3.7
</td>
</tr>
<tr>
<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>Frontend
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>gpakosz@pempek.net
</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 following program makes clang 3.7 emit a curious warning:
~ clang main.c
main.c:6:10: warning: implicit conversion from 'float' to 'bool' changes value
from 0.99 to false [-Wliteral-conversion]
return 0.99f;
~~~~~~ ^~~~~
1 warning generated.
---
#include <stdio.h>
#include <stdbool.h>
bool f()
{
return 1.99f;
}
int main(int argc, char* argv[])
{
if (f())
{
printf("yep!\n");
}
else
{
printf("nope!\n");
}
printf("\n¯\\_(ツ)_/¯\n");
return 0;
}
---
~ clang --version
clang
version 3.7.0 (tags/RELEASE_370/final)
Target: x86_64-unknown-linux-gnu
Thread model: posix
~ </pre>
</div>
</p>
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