[LLVMbugs] [Bug 17565] New: Warn on conditions made trivially true due to string constant to bool conversion

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=17565

            Bug ID: 17565
           Summary: Warn on conditions made trivially true due to string
                    constant to bool conversion
           Product: clang
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: david.majnemer at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Consider:

assert(cond != 0 || "Cond shouldn't be zero!");

What the user intended to write was:

assert(cond != 0 && "Cond shouldn't be zero!");

An example of this bug was found in LLVM itself and fixed in r192564.

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