[Bug ld/12696] New: LTO linker fails GCC LTO tests

[hjl.tools at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=12696

           Summary: LTO linker fails GCC LTO tests
           Product: binutils
           Version: 2.22 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
        AssignedTo: address@hidden
        ReportedBy: address@hidden
                CC: address@hidden


BFD linker in CVS trunk failed GCC LTO tests:

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48733

On Linux/x86, I got

FAIL: g++.dg/lto/20081109-1 cp_lto_20081109-1_0.o-cp_lto_20081109-1_0.o link,
-fPIC -flto -flto-partition=1to1
FAIL: g++.dg/lto/20081118 cp_lto_20081118_0.o-cp_lto_20081118_1.o link, -fPIC
-flto -flto-partition=1to1 -r -nostdlib
FAIL: g++.dg/lto/20081125 cp_lto_20081125_0.o-cp_lto_20081125_1.o link, -flto
-flto-partition=1to1
FAIL: g++.dg/lto/20081204-1 cp_lto_20081204-1_0.o-cp_lto_20081204-1_1.o link,
-flto -flto-partition=1to1 -fPIC -r -nostdlib
FAIL: g++.dg/lto/20081219 cp_lto_20081219_0.o-cp_lto_20081219_1.o link, -fPIC
-flto -flto-partition=1to1 -O2
FAIL: g++.dg/lto/20090302 cp_lto_20090302_0.o-cp_lto_20090302_1.o link, -fPIC
-flto -flto-partition=1to1 -r -nostdlib
FAIL: g++.dg/lto/20091026-1 cp_lto_20091026-1_0.o-cp_lto_20091026-1_1.o link,
-O0 -flto -flto-partition=none 
FAIL: g++.dg/lto/20091026-1 cp_lto_20091026-1_0.o-cp_lto_20091026-1_1.o link,
-O0 -flto -flto-partition=1to1 
FAIL: g++.dg/lto/20091026-1 cp_lto_20091026-1_0.o-cp_lto_20091026-1_1.o link,
-O0 -flto
FAIL: g++.dg/lto/20100724-1 cp_lto_20100724-1_0.o-cp_lto_20100724-1_0.o link,
-ftoplevel-reorder -flto -flto-partition=none
FAIL: g++.dg/lto/20100724-1 cp_lto_20100724-1_0.o-cp_lto_20100724-1_0.o link,
-ftoplevel-reorder -flto -flto-partition=1to1
FAIL: g++.dg/lto/20081109-1 cp_lto_20081109-1_0.o-cp_lto_20081109-1_0.o link,
-fPIC -flto -flto-partition=1to1
FAIL: g++.dg/lto/20081118 cp_lto_20081118_0.o-cp_lto_20081118_1.o link, -fPIC
-flto -flto-partition=1to1 -r -nostdlib
FAIL: g++.dg/lto/20081125 cp_lto_20081125_0.o-cp_lto_20081125_1.o link, -flto
-flto-partition=1to1
FAIL: g++.dg/lto/20081204-1 cp_lto_20081204-1_0.o-cp_lto_20081204-1_1.o link,
-flto -flto-partition=1to1 -fPIC -r -nostdlib
FAIL: g++.dg/lto/20081219 cp_lto_20081219_0.o-cp_lto_20081219_1.o link, -fPIC
-flto -flto-partition=1to1 -O2
FAIL: g++.dg/lto/20090302 cp_lto_20090302_0.o-cp_lto_20090302_1.o link, -fPIC
-flto -flto-partition=1to1 -r -nostdlib
FAIL: g++.dg/lto/20091026-1 cp_lto_20091026-1_0.o-cp_lto_20091026-1_1.o link,
-O0 -flto -flto-partition=none 
FAIL: g++.dg/lto/20091026-1 cp_lto_20091026-1_0.o-cp_lto_20091026-1_1.o link,
-O0 -flto -flto-partition=1to1 
FAIL: g++.dg/lto/20091026-1 cp_lto_20091026-1_0.o-cp_lto_20091026-1_1.o link,
-O0 -flto
FAIL: g++.dg/lto/20100724-1 cp_lto_20100724-1_0.o-cp_lto_20100724-1_0.o link,
-ftoplevel-reorder -flto -flto-partition=none
FAIL: g++.dg/lto/20100724-1 cp_lto_20100724-1_0.o-cp_lto_20100724-1_0.o link,
-ftoplevel-reorder -flto -flto-partition=1to1

Failure looks like

output is:
`_ZTS3Foo' referenced in section `.data.rel.ro._ZTI3Foo[_ZTI3Foo]' of
/tmp/ccj4EMTF.ltrans0.ltrans.o: defined in discarded section `.text' of
cp_lto_20081109-1_0.o (symbol from plugin)^M 
`_ZTI3Foo' referenced in section `.data.DW.ref._ZTI3Foo[DW.ref._ZTI3Foo]' of
/tmp/ccj4EMTF.ltrans0.ltrans.o: defined in discarded section `.text' of
cp_lto_20081109-1_0.o (symbol from plugin)^M 
collect2: ld returned 1 exit status^M

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