Committed as obvious.
Richard. 2019-10-17 Richard Biener <rguent...@suse.de> PR tree-optimization/92129 * tree-vect-loop.c (vectorizable_reduction): Also fail on GIMPLE_SINGLE_RHS. Index: gcc/tree-vect-loop.c =================================================================== --- gcc/tree-vect-loop.c (revision 277091) +++ gcc/tree-vect-loop.c (working copy) @@ -5772,6 +5772,7 @@ vectorizable_reduction (stmt_vec_info st break; case GIMPLE_UNARY_RHS: + case GIMPLE_SINGLE_RHS: return false; default: