[Bug middle-end/18887] [4.0 Regression] libgcc2.h Improperly determines required built-in function size requirements.

[bernie at develer dot com]

------- Additional Comments From bernie at develer dot com  2004-12-12 14:11 -------
The ICE has been triggered by one of these patches:

diff -u -p -r2.6723 -r2.6731
--- gcc/ChangeLog	6 Dec 2004 12:32:21 -0000	2.6723
+++ gcc/ChangeLog	7 Dec 2004 03:52:13 -0000	2.6731
@@ -1,3 +1,66 @@
+2004-12-06  Ziemowit Laski  <zlaski@apple.com>
+
+	* c-tree.h (struct lang_type): Add 'objc_protocols' field.
+
+2004-12-06  DJ Delorie  <dj@redhat.com>
+
+	* reload.c (find_valid_class): Fix logic to test inner mode as well.
+	(push_reload): Pass inner mode.
+
+2004-12-06  Eric Christopher  <echristo@redhat.com>
+
+	* doc/tm.texi (TARGET_VALID_POINTER_MODE): Document.
+
+2004-12-06  Aldy Hernandez  <aldyh@redhat.com>
+
+	* config/rs6000/sysv4.h: Define RELOCATABLE_NEEDS_FIXUP to 1.
+
+2004-12-06  Zdenek Dvorak  <dvorakz@suse.cz>
+	    Kazu Hirata  <kazu@cs.umass.edu>
+
+	PR tree-optimization/18601
+	* tree-cfg.c (thread_jumps, thread_jumps_from_bb): Removed.
+	(tree_forwarder_block_p): Do not consider blocks that are its own
+	successors forwarders.
+	(cleanup_forwarder_blocks, remove_forwarder_block): New functions.
+	(cleanup_tree_cfg): Use cleanup_forwarder_blocks instead of
+	thread_jumps.
+	* tree-flow.h (bb_ann_d): Remove forwardable.
+
+2004-12-06  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* expr.c (expand_expr_real_1): Remove an "if" whose condition
+	is always false.
+
+2004-12-06  Roger Sayle  <roger@eyesopen.com>
+
+	* c-gimplify.c (gimplify_c_loop): Improve initial implementations
+	for loops whose conditions are known at compile-time.
+	* gimplify.c (append_to_statement_list_1): Remove side_effects
+	parameter, this function should never be called if its false.
+	(append_to_statement_list): Only call append_to_statement_list_1
+	if t is non-NULL tree with side-effects.
+	(append_to_statement_list_force):  Likewise, if t is not NULL.
+
+2004-12-06  J"orn Rennecke <joern.rennecke@st.com>
+
+	* bt-load.c (btr_def_s): New member own_end;
+	(add_btr_to_live_range): Add second parameter.  Changed caller.
+	(clear_btr_from_live_range): Clear btrs_live_at_end bit
+	for the register its definition basic block if own_end is set.
+	(augment_live_range): Also take btrs_live_at_end into account.
+	(combine_btr_defs): Don't bother with
+	other_def->other_btr_uses_after_use if it pertains to a different
+	register.
+	(move_btr_def): Set def->other_btr_uses_before_def after
+	calling combine_btr_defs."
+
+	* bt-load.c (augment_live_range): New argument full_range.
+	Changed all callers.
+
+	* bt-load.c (move_tr_def): Set other_tr_uses_before_def
+	taking new btr assignment into account.
+
 2004-12-05  Daniel Berlin <dberlin@dberlin.org>
 
 	* tree-ssa-alias.c (create_global_var): Use void_type_node,

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18887