fix for jira P10019563-81217

during scheduling (before ira/fusion/after ira) certain
conditions that enable fusion (thus sequence ordering)
take into account the presence of debug instructions.
But debug instructions shouldnt influence instruction
order.

Author: Alexehv77

gcc/config/riscv/riscv.cc

@@ -10859,7 +10859,7 @@ riscv_sched_reorder2 (FILE *file ATTRIBUTE_UNUSED,
 	  if (NONDEBUG_INSN_P (ready[*n_readyp - i])
 	      && !SCHED_GROUP_P (ready[*n_readyp - i])
 	      && (!next_insn (ready[*n_readyp - i])
-		  || !NONDEBUG_INSN_P (next_insn (ready[*n_readyp - i]))
+		 // || !NONDEBUG_INSN_P (next_insn (ready[*n_readyp - i]))
 		  || !SCHED_GROUP_P (next_insn (ready[*n_readyp - i])))
 	&& arcv_macro_fusion_pair_p (last_scheduled_insn, ready[*n_readyp - i]))
 	    {
@@ -10884,7 +10884,7 @@ riscv_sched_reorder2 (FILE *file ATTRIBUTE_UNUSED,
 	  if (NONDEBUG_INSN_P (ready[*n_readyp - i])
 	      && !SCHED_GROUP_P (ready[*n_readyp - i])
 	      && (!next_insn (ready[*n_readyp - i])
-		  || !NONDEBUG_INSN_P (next_insn (ready[*n_readyp - i]))
+		  //|| !NONDEBUG_INSN_P (next_insn (ready[*n_readyp - i]))
 		  || !SCHED_GROUP_P (next_insn (ready[*n_readyp - i])))
 	&& arcv_macro_fusion_pair_p (last_scheduled_insn, ready[*n_readyp - i]))
 	    {
@@ -10926,7 +10926,7 @@ riscv_sched_reorder2 (FILE *file ATTRIBUTE_UNUSED,
 	     && get_attr_type (ready[*n_readyp - i]) != TYPE_STORE
 	     && !SCHED_GROUP_P (ready[*n_readyp - i])
 	     && ((!next_insn (ready[*n_readyp - i])
-		 || !NONDEBUG_INSN_P (next_insn (ready[*n_readyp - i]))
+	//	 || !NONDEBUG_INSN_P (next_insn (ready[*n_readyp - i]))
 		 || !SCHED_GROUP_P (next_insn (ready[*n_readyp - i])))))
 	|| ((next_insn (ready[*n_readyp - i])
 	    && NONDEBUG_INSN_P (next_insn (ready[*n_readyp - i]))