[Bug middle-end/46559] New: libstdc++ link FAILs with -flto

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46559

           Summary: libstdc++ link FAILs with -flto
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Keywords: lto
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: rguenth@gcc.gnu.org


make -k check-target-libstdc++-v3 RUNTESTFLAGS="--target_board=unix/-flto"

yields

FAIL: 27_io/basic_filebuf/close/12790-1.cc (test for excess errors)
WARNING: 27_io/basic_filebuf/close/12790-1.cc compilation failed to produce
exec
utable
FAIL: 27_io/basic_filebuf/cons/2020.cc (test for excess errors)
WARNING: 27_io/basic_filebuf/cons/2020.cc compilation failed to produce
executab
le
FAIL: 27_io/basic_filebuf/open/12790-1.cc (test for excess errors)
WARNING: 27_io/basic_filebuf/open/12790-1.cc compilation failed to produce
execu
table
FAIL: 27_io/basic_filebuf/seekoff/10132-2.cc (test for excess errors)
WARNING: 27_io/basic_filebuf/seekoff/10132-2.cc compilation failed to produce
ex
ecutable
FAIL: 27_io/basic_filebuf/seekoff/12790-1.cc (test for excess errors)
WARNING: 27_io/basic_filebuf/seekoff/12790-1.cc compilation failed to produce
ex
ecutable
FAIL: 27_io/basic_filebuf/seekoff/12790-2.cc (test for excess errors)
WARNING: 27_io/basic_filebuf/seekoff/12790-2.cc compilation failed to produce
ex
ecutable
FAIL: 27_io/basic_filebuf/seekoff/12790-3.cc (test for excess errors)
WARNING: 27_io/basic_filebuf/seekpos/10132-3.cc compilation failed to produce
ex
ecutable
FAIL: 27_io/basic_filebuf/seekpos/12790-2.cc (test for excess errors)
WARNING: 27_io/basic_filebuf/seekpos/12790-2.cc compilation failed to produce
ex
ecutable
FAIL: 27_io/basic_fstream/cons/1.cc (test for excess errors)
WARNING: 27_io/basic_fstream/cons/1.cc compilation failed to produce executable
FAIL: 27_io/basic_ifstream/cons/2020.cc (test for excess errors)
WARNING: 27_io/basic_ifstream/cons/2020.cc compilation failed to produce
executa
ble
FAIL: 27_io/basic_ofstream/cons/2020.cc (test for excess errors)
WARNING: 27_io/basic_ofstream/cons/2020.cc compilation failed to produce
executa
ble
FAIL: ext/enc_filebuf/char/13189.cc (test for excess errors)
WARNING: ext/enc_filebuf/char/13189.cc compilation failed to produce executable
FAIL: ext/enc_filebuf/char/13598.cc (test for excess errors)
WARNING: ext/enc_filebuf/char/13598.cc compilation failed to produce executable
FAIL: ext/enc_filebuf/wchar_t/13189.cc (test for excess errors)
WARNING: ext/enc_filebuf/wchar_t/13189.cc compilation failed to produce
executab
le

all with excess errors of the form

FAIL: 27_io/basic_filebuf/seekoff/12790-1.cc (test for excess errors)
Excess errors:
/tmp/ccXujZVx.ltrans0.ltrans.o:(.debug_info+0x1153): undefined reference to
`.LLST0'
/tmp/ccXujZVx.ltrans0.ltrans.o:(.debug_info+0x1169): undefined reference to
`.LLST1'
/tmp/ccXujZVx.ltrans0.ltrans.o:(.debug_info+0x126b): undefined reference to
`.LLST2'
/tmp/ccXujZVx.ltrans0.ltrans.o:(.debug_info+0x127c): undefined reference to
`.LLST3'
/tmp/ccXujZVx.ltrans0.ltrans.o:(.debug_info+0x129d): undefined reference to
`.LLST4'
...