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