varasm.c: Use rtx_insn

gcc/
2014-08-23  David Malcolm  <dmalcolm@redhat.com>

	* varasm.c (mark_constants): Strengthen param "insn" from rtx to
	rtx_insn *.
	(mark_constant_pool): Likewise for local "insn".

From-SVN: r214391

gcc/ChangeLog

 2014-08-23  David Malcolm  <dmalcolm@redhat.com>
 
+	* varasm.c (mark_constants): Strengthen param "insn" from rtx to
+	rtx_insn *.
+	(mark_constant_pool): Likewise for local "insn".
+
+2014-08-23  David Malcolm  <dmalcolm@redhat.com>
+
 	* valtrack.c (dead_debug_reset_uses): Strengthen local "insn" from
 	rtx to rtx_insn *.
 	(dead_debug_promote_uses): Likewise.

gcc/varasm.c

@@ -3916,7 +3916,7 @@ mark_constant (rtx *current_rtx, void *data ATTRIBUTE_UNUSED)
    deferred strings that are used.  */
 
 static void
-mark_constants (rtx insn)
+mark_constants (rtx_insn *insn)
 {
   if (!INSN_P (insn))
     return;
@@ -3946,7 +3946,7 @@ mark_constants (rtx insn)
 static void
 mark_constant_pool (void)
 {
-  rtx insn;
+  rtx_insn *insn;
 
   if (!crtl->uses_const_pool && n_deferred_constants == 0)
     return;