+2010-12-14 Jan Hubicka <jh@suse.cz>
+
+ PR lto/46940
+ PR lto/44463
+ * lto-symtab.c (lto_symtab_merge_cgraph_nodes_1): Construct nodes
+ for aliases when they are used.
+
2010-12-14 Joseph Myers <joseph@codesourcery.com>
* config.gcc (sparc-*-elf*, sparc-*-rtems*, sparc-*-linux*,
for (e = prevailing->next; e; e = e->next)
{
if (e->node != NULL)
- lto_cgraph_replace_node (e->node, prevailing->node);
+ {
+ /* In case we prevail funcion by an alias, we can run into case
+ that the alias has no cgraph node attached, since it was
+ previously unused. Create the node. */
+ if (!prevailing->node)
+ {
+ prevailing->node = cgraph_node (prevailing->decl);
+ prevailing->node->alias = true;
+ }
+ lto_cgraph_replace_node (e->node, prevailing->node);
+ }
if (e->vnode != NULL)
- lto_varpool_replace_node (e->vnode, prevailing->vnode);
+ {
+ if (!prevailing->vnode)
+ {
+ prevailing->vnode = varpool_node (prevailing->decl);
+ prevailing->vnode->alias = true;
+ }
+ lto_varpool_replace_node (e->vnode, prevailing->vnode);
+ }
}
/* Drop all but the prevailing decl from the symtab. */
+2010-12-14 Jan Hubicka <jh@suse.cz>
+
+ PR lto/46940
+ PR lto/44463
+ * gcc.dg/lto/pr46940_0.c: New testcase.
+ * gcc.dg/lto/pr46940_1.c: New testcase.
+
2010-12-14 Nathan Froyd <froydnj@codesourcery.com>
PR c++/45330
--- /dev/null
+* { dg-require-linker-plugin "" } */
+* { dg-extra-ld-options "-fuse-linker-plugin" } */
+
+extern __attribute__((visibility("hidden"))) void _moz_foo (void);
+extern __typeof (_moz_foo) _moz_foo __asm__ ("" "INT__foo") __attribute__((__visibility__("hidden"))) ;
+void _moz_foo(void)
+{
+ printf ("blah\n");
+}
+extern __typeof (_moz_foo) EXT__foo __asm__("" "_moz_foo") __attribute__((__alias__("" "INT__foo")));