[Bug bootstrap/55792] [4.8 Regression] Bad memory access with profiledbootstrap and LTO

["rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55792

--- Comment #36 from Richard Biener <rguenth at gcc dot gnu.org> 2013-01-14 13:50:49 UTC ---
Or more conservative, dropping less locations:

Index: gcc/tree-inline.c
===================================================================
--- gcc/tree-inline.c   (revision 195144)
+++ gcc/tree-inline.c   (working copy)
@@ -5190,7 +5190,7 @@ tree_function_versioning (tree old_decl,
        replace_info = (*tree_map)[i];
        if (replace_info->replace_p)
          {
-           tree op = replace_info->new_tree;
+           tree op = unshare_expr_without_location (replace_info->new_tree);
            if (!replace_info->old_tree)
              {
                int i = replace_info->parm_num;
@@ -5199,18 +5199,10 @@ tree_function_versioning (tree old_decl,
                  i --;
                replace_info->old_tree = parm;
              }
-
-
-           STRIP_NOPS (op);
-
-           if (TREE_CODE (op) == VIEW_CONVERT_EXPR)
-             op = TREE_OPERAND (op, 0);
-
            gcc_assert (TREE_CODE (replace_info->old_tree) == PARM_DECL);
+
            init = setup_one_parameter (&id, replace_info->old_tree,
-                                       replace_info->new_tree, id.src_fn,
-                                       NULL,
-                                       &vars);
+                                       op, id.src_fn, NULL, &vars);
            if (init)
              init_stmts.safe_push (init);
          }