[Bug lto/56570] ICE when streaming a TREE_BLOCK

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56570



--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> 2013-03-08 
12:05:41 UTC ---

It's the DECL_DEBUG_EXPRs created by SRA, supposedly we can fix it by



Index: tree-sra.c

===================================================================

--- tree-sra.c  (revision 196487)

+++ tree-sra.c  (working copy)

@@ -1917,7 +1917,7 @@ create_access_replacement (struct access

       && !DECL_ARTIFICIAL (access->base))

     {

       char *pretty_name = make_fancy_name (access->expr);

-      tree debug_expr = unshare_expr (access->expr), d;

+      tree debug_expr = unshare_expr_without_location (access->expr), d;

       bool fail = false;



       DECL_NAME (repl) = get_identifier (pretty_name);



but we should fix the reason why it doesn't survive inlining properly.



Reducing a file from libgcc instead.