8257631: C2: Assertion failure in ArrayCopyNode::get_count() during l…

…ate inlining

Reviewed-by: neliasso, kvn, thartmann

src/hotspot/share/opto/arraycopynode.cpp

@@ -136,8 +136,8 @@ int ArrayCopyNode::get_count(PhaseGVN *phase) const {
       // length input to ArrayCopyNode is constant, length of input
       // array must be too.
 
-      assert((get_length_if_constant(phase) == -1) == !ary_src->size()->is_con() ||
-             phase->is_IterGVN() || StressReflectiveCode, "inconsistent");
+      assert((get_length_if_constant(phase) == -1) != ary_src->size()->is_con() ||
+             phase->is_IterGVN() || phase->C->inlining_incrementally() || StressReflectiveCode, "inconsistent");
 
       if (ary_src->size()->is_con()) {
         return ary_src->size()->get_con();