[LLVMbugs] [Bug 12285] New: -Widiomatic-parentheses does not work in all cases [objc]

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=12285

             Bug #: 12285
           Summary: -Widiomatic-parentheses does not work in all cases
                    [objc]
           Product: clang
           Version: 3.0
          Platform: Macintosh
        OS/Version: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: alcosholik at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


Consider the following piece of code in Objective-C:

    NSUInteger uid = 10;
    if (uid = 11) {
        // ...
    }

With -Widiomatic-parentheses it gives me the warning "Using the result of an
assignment as a condition without parentheses" (as expected).

However, in the following case no warning is emitted:

    if (self.uid = 100) {
        // ...
    }

The type of 'uid', numbers and variable names can be arbitrary. It's 'self'
that inhibits the warning in some unexpected way.

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