[PATCH][4/4][v2] RPO-style value-numbering for FRE/PRE

[Gerald Pfeifer]

On Thu, 13 Sep 2018, Richard Biener wrote:
> If it reproduces with clang as a host compiler maybe you can
> use ASAN with it?

That's an ancient version of clang (3.4), so not too useful, but...

On Thu, 13 Sep 2018, Richard Biener wrote:
> 	PR bootstrap/87134
> 	* tree-ssa-sccvn.c (vn_nary_op_insert_into): Fix assert.
> 	(vn_nary_op_insert_pieces_predicated): Do not write useless
> 	valid_dominated_by_p entry outside of the allocated storage.

...seems to have done the job. 

Thank you!

Gerald