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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Bogus warning about auto property synthesis"
href="http://llvm.org/bugs/show_bug.cgi?id=16693">16693</a>
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<th>Summary</th>
<td>Bogus warning about auto property synthesis
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>3.3
</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
</td>
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<th>Component</th>
<td>-New Bugs
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>paul.q.stevenson@gmail.com
</td>
</tr>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
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<p>
<div>
<pre>This simple fragment triggers the "auto property synthesis will not synthesize
property 'prop' because it is 'readwrite' but it will be synthesized 'readonly'
via another property [-Wobjc-property-synthesis]"
#import <Foundation/Foundation.h>
@interface Parent : NSObject
@property (readonly) int prop;
@end
@interface Child : Parent
@property (readwrite) int prop;
@end
@implementation Child
@synthesize prop;
@end
But the generated code *does* synthesize Child.prop correctly (a getter and a
setter). So what is the warning trying to convey in this case?
Also, it's not clear whether 'auto property synthesis' is intended to refer to
implicit synthesis (i.e. without the need for a @synthesize statement) or the
fact that the getter/setter are compiled automatically when you specify
@synthesize. It feels like it should be referring to the former, but in that
case the warning is even more bogus since there *is* an explicit @synthesize
and we're not relying on auto (implicit) synthesis.</pre>
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</p>
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