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

[rguenth at gcc dot 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);

          }