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Weird error cross-compiling glibc with binutils 2.22 or head

I am building a cross compile environment for ARM, PPC, and X86, and due
to the other issues discussed on the list, I am trying to do it with
binutils 2.22 (and binutils head, no change).

The issue is that when building glibc for the ARM (but, curiously, NOT for
the PPC - same tools, same commands, just a different target arch) I get
an error in the compile of glibc:
arm-linux-gnueabi-gcc   -nostdlib -nostartfiles -r -o
Build/arm-linux-gnueabi/glibc_main/libc_pic.os \
         -Wl,-d -Wl,--whole-archive
arm-linux-gnueabi-gcc   -shared -Wl,-O1 \
                  -nostdlib -nostartfiles \
                   -Wl,-dynamic-linker=/lib/ -Wl,-z,combreloc
-Wl,--hash-style=both \
                  -Wl,--verbose 2>&1 | \
          sed > Build/arm-linux-gnueabi/glibc_main/shlib.ldsT \
              -e '/^=========/,/^=========/!d;/^=========/d' \
               -e 's/^.*\.gnu\.hash[         ]*:.*$/  .note.ABI-tag : {
} &/' -e '/^[         ]*\.hash[         ]*:.*$/{h;d;}' -e
              -e 's/^.*\*(\.dynbss).*$/& \
                 PROVIDE(__start___libc_freeres_ptrs = .); \
                 *(__libc_freeres_ptrs) \
                 PROVIDE(__stop___libc_freeres_ptrs = .);/'\
              -e 's@^.*\*(\.jcr).*$@& \
                 PROVIDE(__start__es : {subfreeres = .);\
                 __libc_subfreeres : { *(__libc_subfreeres) }\
                 PROVIDE(__stop___libc_subfreeres = .);\
                 PROVIDE(__start___libc_atexit = .);\
                 __libc_atexit : { *(__libc_atexit) }\
                 PROVIDE(__stop___libc_atexit = .);\
                 PROVIDE(__start___libc_thread_subfreeres = .);\
                 __libc_thread_subfreeres : { *(__libc_thread_subfreeres) }\
                 PROVIDE(__stop___libc_thread_subfreeres = .);\
                 /DISCARD/ : { *(.gnu.glibc-stub.*) }@'
mv -f Build/arm-linux-gnueabi/glibc_main/shlib.ldsT
<snip a buch of items>
Build/arm-linux-gnueabi/glibc_main/elf/ -lgcc
ld:Build/arm-linux-gnueabi/glibc_main/ syntax error

The error is:
         PROVIDE(__start__es : {subfreeres = .);
(note the unbalanced { and ))

I have no idea where that is coming from: it's not in any of the makefiles
for binutils, glibc, or gcc, it's not in my host toolchain - and it
doesn't happen on PPC.

I've search the web, and found files in pastebin with the same error,
dating just a couple of days ago, but no references to those files on
either binutils, glibc, or GCC's mailing lists.

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