re PR rtl-optimization/65618 (gnat bootstrap comparison failure on mips{,el}-linux-gnu)

	PR rtl-optimization/65618
	* emit-rtl.c (try_split): Move initialization of "before" and
	"after" to just before the call to emit_insn_after_setloc.

From-SVN: r244029

gcc/ChangeLog

+2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
+
+	PR rtl-optimization/65618
+	* emit-rtl.c (try_split): Move initialization of "before" and
+	"after" to just before the call to emit_insn_after_setloc.
+
 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
 
 	* doc/md.texi (Standard Names): Remove reference to Java frontend.

gcc/emit-rtl.c

@@ -3643,8 +3643,7 @@ mark_label_nuses (rtx x)
 rtx_insn *
 try_split (rtx pat, rtx_insn *trial, int last)
 {
-  rtx_insn *before = PREV_INSN (trial);
-  rtx_insn *after = NEXT_INSN (trial);
+  rtx_insn *before, *after;
   rtx note;
   rtx_insn *seq, *tem;
   int probability;
@@ -3818,6 +3817,9 @@ try_split (rtx pat, rtx_insn *trial, int last)
 	}
     }
 
+  before = PREV_INSN (trial);
+  after = NEXT_INSN (trial);
+
   tem = emit_insn_after_setloc (seq, trial, INSN_LOCATION (trial));
 
   delete_insn (trial);