Hi,
PR48954 demonstrate ICE when skip-args bitmap of a clone is NULL. Fixed this.
Bootstrapped/regtested x86_64-linux, comitted.
Index: ChangeLog
===================================================================
*** ChangeLog (revision 174641)
--- ChangeLog (working copy)
***************
*** 1,3 ****
--- 1,8 ----
+ 2011-06-04 Jan Hubicka <j...@suse.cz>
+
+ PR lto/48954
+ * lto-cgraph.c (output_node_opt_summary): Handle NULL skip args bitmaps.
+
2011-06-04 Jakub Jelinek <ja...@redhat.com>
PR target/49281
Index: testsuite/ChangeLog
===================================================================
*** testsuite/ChangeLog (revision 174641)
--- testsuite/ChangeLog (working copy)
***************
*** 1,3 ****
--- 1,8 ----
+ 2011-06-04 Jan Hubicka <j...@suse.cz>
+
+ PR lto/48954
+ * g++.dg/torture/pr48954.C: New testcase.
+
2011-06-04 Jakub Jelinek <ja...@redhat.com>
PR target/49281
Index: testsuite/g++.dg/torture/pr48954.C
===================================================================
*** testsuite/g++.dg/torture/pr48954.C (revision 0)
--- testsuite/g++.dg/torture/pr48954.C (revision 0)
***************
*** 0 ****
--- 1,28 ----
+ /* { dg-do compile } */
+ /* { dg-options "-O2 -flto -fno-early-inlining -fkeep-inline-functions" } */
+ struct A
+ {
+ virtual void foo () = 0;
+ };
+
+ struct B : A {};
+ struct C : A {};
+
+ struct D: C, B
+ {
+ void foo () {}
+ };
+
+ static inline void
+ bar (B *b)
+ {
+ b->foo ();
+ }
+
+ int
+ main ()
+ {
+ D d;
+ for (;;)
+ bar (&d);
+ }
Index: lto-cgraph.c
===================================================================
*** lto-cgraph.c (revision 174641)
--- lto-cgraph.c (working copy)
*************** output_node_opt_summary (struct output_b
*** 1598,1611 ****
int i;
struct cgraph_edge *e;
! lto_output_uleb128_stream (ob->main_stream,
! bitmap_count_bits (node->clone.args_to_skip));
! EXECUTE_IF_SET_IN_BITMAP (node->clone.args_to_skip, 0, index, bi)
! lto_output_uleb128_stream (ob->main_stream, index);
! lto_output_uleb128_stream (ob->main_stream,
! bitmap_count_bits
(node->clone.combined_args_to_skip));
! EXECUTE_IF_SET_IN_BITMAP (node->clone.combined_args_to_skip, 0, index, bi)
! lto_output_uleb128_stream (ob->main_stream, index);
lto_output_uleb128_stream (ob->main_stream,
VEC_length (ipa_replace_map_p,
node->clone.tree_map));
FOR_EACH_VEC_ELT (ipa_replace_map_p, node->clone.tree_map, i, map)
--- 1598,1621 ----
int i;
struct cgraph_edge *e;
! if (node->clone.args_to_skip)
! {
! lto_output_uleb128_stream (ob->main_stream,
! bitmap_count_bits (node->clone.args_to_skip));
! EXECUTE_IF_SET_IN_BITMAP (node->clone.args_to_skip, 0, index, bi)
! lto_output_uleb128_stream (ob->main_stream, index);
! }
! else
! lto_output_uleb128_stream (ob->main_stream, 0);
! if (node->clone.combined_args_to_skip)
! {
! lto_output_uleb128_stream (ob->main_stream,
! bitmap_count_bits
(node->clone.combined_args_to_skip));
! EXECUTE_IF_SET_IN_BITMAP (node->clone.combined_args_to_skip, 0, index,
bi)
! lto_output_uleb128_stream (ob->main_stream, index);
! }
! else
! lto_output_uleb128_stream (ob->main_stream, 0);
lto_output_uleb128_stream (ob->main_stream,
VEC_length (ipa_replace_map_p,
node->clone.tree_map));
FOR_EACH_VEC_ELT (ipa_replace_map_p, node->clone.tree_map, i, map)
