[Bug ipa/61659] [4.9 Regression] Extra undefined symbol because of devirtualization

[danglin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61659

John David Anglin <danglin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |danglin at gcc dot gnu.org

--- Comment #32 from John David Anglin <danglin at gcc dot gnu.org> ---
At r214748, GCC build fails on hppa1.1-hp-hpux10.20:

/xxx/gnu/gcc/objdir/./prev-gcc/xg++ -B/xxx/gnu/gcc/objdir/./prev-gcc/
-B/opt/gnu/gcc/gcc-5.0/hppa1.1-hp-hpux10.20/bin/ -nostdinc++
-B/xxx/gnu/gcc/objdir/prev-hp
pa1.1-hp-hpux10.20/libstdc++-v3/src/.libs
-B/xxx/gnu/gcc/objdir/prev-hppa1.1-hp-hpux10.20/libstdc++-v3/libsupc++/.libs 
-isystem /xxx/gnu/gcc/objdir/prev-hppa1.
1-hp-hpux10.20/libstdc++-v3/include/hppa1.1-hp-hpux10.20  -isystem
/xxx/gnu/gcc/objdir/prev-hppa1.1-hp-hpux10.20/libstdc++-v3/include  -isystem
/xxx/gnu/gcc/gcc
/libstdc++-v3/libsupc++
-L/xxx/gnu/gcc/objdir/prev-hppa1.1-hp-hpux10.20/libstdc++-v3/src/.libs
-L/xxx/gnu/gcc/objdir/prev-hppa1.1-hp-hpux10.20/libstdc++-v3/libs
upc++/.libs   -g -O2 -DIN_GCC    -fno-exceptions -fno-rtti
-fasynchronous-unwind
-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual
-Wmissing-format-att
ribute -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros
-Wno-o
verlength-strings -Werror -fno-common  -DHAVE_CONFIG_H -static-libstdc++
-static
-libgcc  -o cc1 c/c-lang.o c-family/stub-objc.o attribs.o c/c-errors.o
c/c-decl.
o c/c-typeck.o c/c-convert.o c/c-aux-info.o c/c-objc-common.o c/c-parser.o
c/c-a
rray-notation.o c-family/c-common.o c-family/c-cppbuiltin.o c-family/c-dump.o
c-
family/c-format.o c-family/c-gimplify.o c-family/c-lex.o c-family/c-omp.o
c-fami
ly/c-opts.o c-family/c-pch.o c-family/c-ppoutput.o c-family/c-pragma.o
c-family/
c-pretty-print.o c-family/c-semantics.o c-family/c-ada-spec.o
c-family/c-cilkplu
s.o c-family/array-notation-common.o c-family/cilk.o c-family/c-ubsan.o
default-c.o \
  cc1-checksum.o libbackend.a main.o tree-browser.o libcommon-target.a
libcommon.a ../libcpp/libcpp.a ../libdecnumber/libdecnumber.a libcommon.a
../libcpp/libcpp.a   ../libbacktrace/.libs/libbacktrace.a
../libiberty/libiberty.a ../libdecnumber/libdecnumber.a   
-L/opt/gnu/gcc/gmp/lib -lmpc -lmpfr -lgmp   -L../zlib -lz
/usr/ccs/bin/ld: Duplicate symbol "sd_iterator_start(rtx_def*, int)::null_link"
in files libbackend.a(sched-rgn.o) and libbackend.a(ddg.o)
/usr/ccs/bin/ld: Duplicate symbol "sd_iterator_start(rtx_def*, int)::null_link"
in files libbackend.a(sched-rgn.o) and libbackend.a(haifa-sched.o)
/usr/ccs/bin/ld: Duplicate symbol "sd_iterator_start(rtx_def*, int)::null_link"
in files libbackend.a(sched-rgn.o) and libbackend.a(sched-deps.o)
/usr/ccs/bin/ld: Duplicate symbol "sd_iterator_start(rtx_def*, int)::null_link"
in files libbackend.a(sched-rgn.o) and libbackend.a(sched-ebb.o)
/usr/ccs/bin/ld: Found 4 duplicate symbol(s)