stack-ptr-mod.c: Use rtx_insn

gcc/
2014-08-22  David Malcolm  <dmalcolm@redhat.com>

	* stack-ptr-mod.c (pass_stack_ptr_mod::execute): Strengthen local
	"insn" from rtx to rtx_insn *.

From-SVN: r214382

gcc/ChangeLog

 2014-08-22  David Malcolm  <dmalcolm@redhat.com>
 
+	* stack-ptr-mod.c (pass_stack_ptr_mod::execute): Strengthen local
+	"insn" from rtx to rtx_insn *.
+
+2014-08-22  David Malcolm  <dmalcolm@redhat.com>
+
 	* shrink-wrap.h (requires_stack_frame_p): Strengthen param 1
 	"insn" from rtx to rtx_insn *.
 	(dup_block_and_redirect): Likewise for param 3 "before".

gcc/stack-ptr-mod.c

@@ -83,7 +83,7 @@ unsigned int
 pass_stack_ptr_mod::execute (function *fun)
 {
   basic_block bb;
-  rtx insn;
+  rtx_insn *insn;
 
   /* Assume that the stack pointer is unchanging if alloca hasn't
      been used.  */