[Bug ld/15516] GNU LD is confused when linker plugin turns COMDAT symbol into static w/o renaming.

[amodra at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=15516

--- Comment #14 from Alan Modra <amodra at gmail dot com> ---
I suspect you're picking up some older ld.  Note addition of -Wl,-v to show
versions in the following:

address@hidden:~/build/libreoffice$ B=/home/alan/build/libreoffice &&
O=$B/solver/unxlngx6.pro && W=$B/workdir/unxlngx6.pro &&  mkdir -p
$W/LinkTarget/Executable/ && g++ -flto -fno-fat-lto-objects -fuse-linker-plugin
-O2 -Wl,-z,origin '-Wl,-rpath,$ORIGIN/../lib:$ORIGIN' -Wl,-rpath-link,$O/lib
-Wl,-z,defs -Wl,-rpath-link,/lib:/usr/lib -Wl,-z,combreloc -L$O/lib
-Wl,--hash-style=gnu -Wl,--dynamic-list-cpp-new -Wl,--dynamic-list-cpp-typeinfo
-Wl,-Bsymbolic-functions -Wl,-O1 -Wl,-S
$B/libreoffice-object-files/LocaleNode.o
$B/libreoffice-object-files/filewriter.o
$B/libreoffice-object-files/saxparser.o -Wl,--start-group -Wl,--end-group
-Wl,--no-as-needed -luno_cppu -luno_cppuhelpergcc3 -luno_sal -o
$W/LinkTarget/Executable/saxparser -Wl,-v
collect2 version 4.9.0 20130522 (experimental)
/usr/local/lib/gcc/x86_64-linux/4.9.0/../../../../x86_64-linux/bin/ld -plugin
/usr/local/libexec/gcc/x86_64-linux/4.9.0/liblto_plugin.so
-plugin-opt=/usr/local/libexec/gcc/x86_64-linux/4.9.0/lto-wrapper
-plugin-opt=-fresolution=/tmp/ccbxEkZk.res -plugin-opt=-pass-through=-lgcc_s
-plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lc
-plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc
--eh-frame-hdr -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o
/home/alan/build/libreoffice/workdir/unxlngx6.pro/LinkTarget/Executable/saxparser
/usr/lib/x86_64-linux-gnu/crt1.o /usr/lib/x86_64-linux-gnu/crti.o
/usr/local/lib/gcc/x86_64-linux/4.9.0/crtbegin.o
-L/home/alan/build/libreoffice/solver/unxlngx6.pro/lib
-L/usr/local/lib/gcc/x86_64-linux/4.9.0
-L/usr/local/lib/gcc/x86_64-linux/4.9.0/../../../../lib64
-L/lib/x86_64-linux-gnu -L/lib/../lib64 -L/usr/lib/x86_64-linux-gnu
-L/usr/local/lib/gcc/x86_64-linux/4.9.0/../../../../x86_64-linux/lib
-L/usr/local/lib/gcc/x86_64-linux/4.9.0/../../.. -z origin -rpath
$ORIGIN/../lib:$ORIGIN -rpath-link
/home/alan/build/libreoffice/solver/unxlngx6.pro/lib -z defs -rpath-link
/lib:/usr/lib -z combreloc --hash-style=gnu --dynamic-list-cpp-new
--dynamic-list-cpp-typeinfo -Bsymbolic-functions -O1 -S
/home/alan/build/libreoffice/libreoffice-object-files/LocaleNode.o
/home/alan/build/libreoffice/libreoffice-object-files/filewriter.o
/home/alan/build/libreoffice/libreoffice-object-files/saxparser.o --start-group
--end-group --no-as-needed -luno_cppu -luno_cppuhelpergcc3 -luno_sal -v
-lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc
/usr/local/lib/gcc/x86_64-linux/4.9.0/crtend.o /usr/lib/x86_64-linux-gnu/crtn.o
GNU ld (GNU Binutils) 2.23.52.20130524
address@hidden:~/build/libreoffice$ 

The other possibility is that my shared libraries are masking the problem
somehow.  If you are running the version of ld you think you are, please attach
the following shared libs:
-luno_cppu
(/home/alan/build/libreoffice/solver/unxlngx6.pro/lib/libuno_cppu.so)
-luno_cppuhelpergcc3
(/home/alan/build/libreoffice/solver/unxlngx6.pro/lib/libuno_cppuhelpergcc3.so)
-luno_sal (/home/alan/build/libreoffice/solver/unxlngx6.pro/lib/libuno_sal.so)

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