Fix PR 61461: -fdump-rtl-all-slim causes ICE

[Jeff Law]

On 07/14/14 20:25, Bernd Edlinger wrote:
> Hi,
>
> When I try to print the dumps of fold-const.c
> with -fdump-rtl-all-slim cc1plus crashes.
> This is caused by pretty-printing the ADDR_VEC pattern,
> which has a single argument, a vector of LABEL_REFs at position 0.
> But instead XEXP(x,0) is printed, which causes the ICE.
>
> However also ADDR_DIFF_VEC seems to do the wrong thing,
> because the XEXP(0) is an uninteresting label, which references just
> the own position.
>
> Instead of that, the list of LABEL_REFs should be printed IMO,
> which is at position 1, in this case.
>
> The attached patch fixes both, by prining the list if LABEL_REFs
> separated by semicolons.
>
>
> Boot-strapped and regression-tested on x86_64-linux-gnu.
> OK for trunk?
>
>
> Thanks
> Bernd.
>   		 	   		
>
>
> changelog-pr61461.txt
>
>
> 2014-07-15  Bernd Edlinger<bernd.edlinger@hotmail.de>
>
> 	PR rtl-optimization/61461
> 	* sched-vis.c (print_pattern) <ADDR_VEC, ADDR_DIFF_VEC>: Fixed.
OK.
jeff