[PATCH GCC][4/6]Simple patch skips single element component

[Jeff Law]

On 05/12/2017 05:28 AM, Bin Cheng wrote:
> Hi,
> This is a simple patch discarding simple element components earlier in predcom.
> Bootstrap and test on x86_64 and AArch64, is it OK?
> 
> Thanks,
> bin
> 2017-05-10  Bin Cheng  <bin.cheng@arm.com>
> 
> 	* tree-predcom.c (determine_roots_comp): Skip single-elem chain.
> 
OK.
jeff