* gdb.base/breakpoint-shadow.exp: Move the ia64 part into ...
* gdb.arch/ia64-breakpoint-shadow.exp: ... a new file, with new tests.
* gdb.arch/ia64-breakpoint-shadow.S: New file.
Fix ia64 shadowing of breakpoints in multiple slots of a single bundle.
* ia64-tdep.c (ia64_memory_insert_breakpoint): New call
of make_show_memory_breakpoints_cleanup with parameter 0. Move the
reading of SHADOW_CONTENTS to this memory state point of code. Update
comment for the memory re-read.
gdb/testsuite/
* gdb.base/breakpoint-shadow.exp (Second breakpoint placed): Initialize
$bpt2address.
(Second breakpoint address is valid on ia64)
(Third breakpoint on ia64 in the Second breakpoint's bundle): New.
