[llvm-bugs] [Bug 44064] New: Missing warning for comparison with string literals (expanded from macro)

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https://bugs.llvm.org/show_bug.cgi?id=44064

            Bug ID: 44064
           Summary: Missing warning for comparison with string literals
                    (expanded from macro)
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C
          Assignee: unassignedclangbugs at nondot.org
          Reporter: david.bolvansky at gmail.com
                CC: blitzrakete at gmail.com, dgregor at apple.com,
                    erik.pilkington at gmail.com, llvm-bugs at lists.llvm.org,
                    richard-llvm at metafoo.co.uk

#define PATH_DELIMITER "/"

int foo() {
    return PATH_DELIMITER != "/";
}

int foo2() {
    return "/" != "/";
}


Clang warns only for foo2, GCC for both and GCC caught a real bug.

I suspect this is just a missing diagnostic... or?

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