It seems bootstrap is now broken on ia64:
/home/jim/gcc/gcc/gcc/config/ia64/unwind-ia64.c:2390: error:
'__libunwind_Unwind_FindTableEntry' aliased to external symbol
'_Unwind_FindTableEntry'
--
Summary: Bootstrap failure because of aliased symbols
Product: gcc
Version: 4.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: phython at gcc dot gnu dot org
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: ia64-linux
GCC host triplet: ia64-linux
GCC target triplet: ia64-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20511