[LLVMbugs] [Bug 6229] New: Irrelevant/ incorrect preprocessor defines present under -std=c89

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=6229

           Summary: Irrelevant/incorrect preprocessor defines present under
                    -std=c89
           Product: new-bugs
           Version: trunk
          Platform: Macintosh
        OS/Version: MacOS X
            Status: NEW
          Severity: minor
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: llvm.org at elliottcable.com
                CC: llvmbugs at cs.uiuc.edu


I’m not sure if this is intended or not, but it seems weird: when compiling
source with `clang -std=c89`, things like `LLONG_MIN` and `ULLONG_MAX`, that
apply to features not available under `-std=c89`, are still defined. This lead
to the situation in my code, where my `#if` passed (because `LLONG_MIN` and
such are defined), but the code was un-compile-able under `-std=c89`, because
it depended on the availability of `long long` when `LLONG_MIN` was defined.


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