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A visibility bug with common symbol

We don't treat common symbol as definition. It causes a problem with
visibility. Here is a testcase:

# make
cc -O -g -B./ -DDEFINE -fPIC -c main.c
cc -shared -o libfoo.so -O -g -B./ -DDEFINE shared.c
cc -o foo -O -g -B./ -DDEFINE main.o libfoo.so -Wl,-rpath,.
./ld: main.o(.text+0x1b): unresolvable relocation against symbol `short_hidden_ref_norm_def'
collect2: ld returned 1 exit status
make: *** [foo] Error 1

H.J.

Attachment: bug.tar.gz
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