diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index eaafd22893a..d6f43094515 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2019-08-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* ipa-predicate.c (add_condition): Restore inverted test.
+
 2019-08-10  Jakub Jelinek  <jakub@redhat.com>
 
 	* tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DEVICE_TYPE.
diff --git a/gcc/ipa-predicate.c b/gcc/ipa-predicate.c
index 775f82bce9f..8a9851a2040 100644
--- a/gcc/ipa-predicate.c
+++ b/gcc/ipa-predicate.c
@@ -549,7 +549,7 @@ add_condition (class ipa_fn_summary *summary, int operand_num,
   for (i = 0; vec_safe_iterate (summary->conds, i, &c); i++)
     {
       if (c->operand_num == operand_num
-	  && maybe_ne (c->size, size)
+	  && known_eq (c->size, size)
 	  && c->code == code
 	  && c->val == val
 	  && c->agg_contents == agg_contents