[LLVMbugs] [Bug 3689] New: clang: support -dD -E

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=3689

           Summary: clang: support -dD -E
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: edwintorok at gmail.com
                CC: llvmbugs at cs.uiuc.edu


clang currently supports -dM -E, however it doesn't support -dD -E.

I find -dD -E to be useful when tracing what has been expanded from headers,
and why with a single command.


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