[LLVMbugs] [Bug 16054] New: Missing "uninitialized" warning

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=16054

            Bug ID: 16054
           Summary: Missing "uninitialized" warning
           Product: clang
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: mimomorin at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

In the following code, `cond` is uninitialized in `while (cond)`. 
However, the "uninitialized" warning (i.e. "variable 'cond' is uninitialized
when used here") does not emit.


int main(int argc, char* argv[])
{
    int cond;

    // Missing "uninitialized" warning
    while (cond != 0) {
        // `(void)` is used to avoid "unused-value" warning
        (void)&cond;
    }

    return 0;
}

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