http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53572
Matt Hargett <matt at use dot net> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |matt at use dot net
--- Comment #11 from Matt Hargett <matt at use dot net> 2012-09-04 23:48:40 UTC
---
Applying this patch to my 4.7 branch checkout fixes my problem, which had the
same symptoms. Can someone please commit this to the 4.7 branch?
===================================================================
--- ../google-gcc-4_7/gcc/cgraph.h (revision 190939)
+++ ../google-gcc-4_7/gcc/cgraph.h (working copy)
@@ -1004,10 +1004,16 @@
static inline bool
varpool_can_remove_if_no_refs (struct varpool_node *node)
{
- return (!node->force_output && !node->used_from_other_partition
+ if (DECL_EXTERNAL (node->decl))
+ return true;
+
+ return (!node->force_output && !node->used_from_other_partition
&& (flag_toplevel_reorder || DECL_COMDAT (node->decl)
|| DECL_ARTIFICIAL (node->decl))
- && (DECL_COMDAT (node->decl) || !node->externally_visible));
+ && ((DECL_COMDAT (node->decl)
+ && !varpool_used_from_object_file_p (node))
+ || !node->externally_visible
+ || DECL_HAS_VALUE_EXPR_P (node->decl)));
}
