[LLVMdev] Why "I = ++I" instead of "++I" in COFFDump.cpp ?

[Reid Kleckner]

Looks like a bug.  This can probably be simplified with C++11.


On Fri, Apr 4, 2014 at 10:39 AM, Robison, Arch <arch.robison at intel.com>wrote:

> tools/llvm-objdump/COFFDump.cpp has two loops that advance the loop
> iterator using "I = ++I" instead of the usual "++I".  For example:
>
>   import_directory_iterator I = Obj->import_directory_begin();
>   import_directory_iterator E = Obj->import_directory_end();
>   if (I == E)
>     return;
>   outs() << "The Import Tables:\n";
>   for (; I != E; I = ++I) {
>       ...
>   }
>
> Is there a reason for writing "I = ++I" instead of "++I" ?
>
> - Arch D. Robison
>
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