re PR objc/30479 (Precompiled headers don't seem to work with GNU ObjC)

re PR objc/30479 (Precompiled headers don't seem to work with GNU ObjC)

2007-01-20  Andrew Pinski  <pinskia@gmail.com>

        PR objc/30479
        * objc-act.c (hash_interface): Use IDENTIFIER_HASH_VALUE instead
        of htab_hash_pointer.
        (lookup_interface): Likewise.
        (add_class): Likewise.

2007-01-20  Andrew Pinski  <pinskia@gmail.com>

        PR objc/30479
        * objc.dg/pch: New directory.
        * objc.dg/pch/pch.exp: New file.
        * objc.dg/pch/interface-1.m: New test.
        * objc.dg/pch/interface-1.hs: New include file.
        * lib/objc.exp (objc_target_compile): Add
        "-x objective-c-header" in front of the sources if this is
        a precompiled header being compiled.

From-SVN: r121024