[PATCH] Fix an error in r193053

[Dehao Chen]

Hi,

In r193053, input_location was mistakenly used. This patch changed to
use curr_insn_location instead. This looks like an obvious patch, can
I check it in to trunk?

Bootstrapped and passed gcc/gdb regression test.

Thanks,
Dehao

gcc/ChangeLog:
2012-11-01  Dehao Chen  <de...@google.com>

        * expr.c (expand_expr_real_1): Change to not using input_location.

Index: gcc/expr.c
===================================================================
--- gcc/expr.c  (revision 193071)
+++ gcc/expr.c  (working copy)
@@ -9221,13 +9221,11 @@ expand_expr_real_1 (tree exp, rtx target, enum mac
       if (g)
        {
          rtx r;
-         location_t saved_loc = input_location;
+         location_t saved_loc = curr_insn_location ();
 
-         input_location = gimple_location (g);
-         set_curr_insn_location (input_location);
+         set_curr_insn_location (gimple_location (g));
          r = expand_expr_real (gimple_assign_rhs_to_tree (g), target,
                                tmode, modifier, NULL);
-         input_location = saved_loc;
          set_curr_insn_location (saved_loc);
          if (REG_P (r) && !REG_EXPR (r))
            set_reg_attrs_for_decl_rtl (SSA_NAME_VAR (exp), r);