umask a=rwx always fails

[llattanz+bash]

Configuration Information [Automatically generated, do not change]:
Machine: powerpc
OS: darwin8.0
Compiler: gcc
Compilation CFLAGS: -arch i386 -arch ppc -g -Os -pipe -no-cpp-precomp 
-arch i386 -arch ppc -pipe  -DPROGRAM='bash' -DCONF_HOSTTYPE='powerpc' 
-DCONF_OSTYPE='darwin8.0' -DCONF_MACHTYPE='powerpc-apple-darwin8.0' 
-DCONF_VENDOR='apple' -DSHELL -DHAVE_CONFIG_H -DMACOSX   -I.  
-I/SourceCache/bash/bash-30/bash 
-I/SourceCache/bash/bash-30/bash/include 
-I/SourceCache/bash/bash-30/bash/lib -arch i386 -arch ppc -g -Os -pipe 
-no-cpp-precomp -arch i386 -arch ppc -pipe
uname output: Darwin stderr.apple.com 8.0.0b1 Darwin Kernel Version 
8.0.0b1: Mon May 10 23:45:14 PDT 2004; 
root:xnu/xnu-600.3.obj~4/RELEASE_PPC  Power Macintosh powerpc
Machine Type: powerpc-apple-darwin8.0

Bash Version: 2.05b
Patch Level: 0
Release Status: release

Description:
        umask a=rwx && echo Passed || echo Failed

Repeat-By:
        umask a=rwx && echo Passed || echo Failed

Fix:
Index: umask.def
===================================================================
RCS file: /cvs/root/bash/bash/builtins/umask.def,v
retrieving revision 1.1.1.5
diff -u -d -b -w -r1.1.1.5 umask.def
--- umask.def   2003/04/05 08:00:28     1.1.1.5
+++ umask.def   2004/06/21 19:55:13
@@ -298,7 +298,7 @@
   /* All work is done with the complement of the umask -- it's
      more intuitive and easier to deal with.  It is complemented
      again before being returned. */
-  bits = parse_symbolic_mode (list->word->word, ~um);
+  bits = parse_symbolic_mode (list->word->word, ~um & 0777);
   if (bits == -1)
     return (-1);