[Bug lto/50876] New: unrecognized command line option '-Zmultiply_defined suppress regressions for lto.exp on x86_64-apple-darwin11

["howarth at nitro dot med.uc.edu" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50876

             Bug #: 50876
           Summary: unrecognized command line option '-Zmultiply_defined
                    suppress regressions for lto.exp on
                    x86_64-apple-darwin11
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: howarth@nitro.med.uc.edu


Current gcc trunk at r180532 exhibits numerous new lto regressions in the g++
test suite. These are of the form...

Executing on host:
/sw/src/fink.build/gcc47-4.7.0-1/darwin_objdir/gcc/testsuite/g++/../../g++
-B/sw/src/fink.build/gcc47-4.7.0-1/darwin_objdir/gcc/testsuite/g++/../../
cp_lto_20080709_0.o   -nostdinc++
-I/sw/src/fink.build/gcc47-4.7.0-1/darwin_objdir/x86_64-apple-darwin11.2.0/i386/libstdc++-v3/include/x86_64-apple-darwin11.2.0
-I/sw/src/fink.build/gcc47-4.7.0-1/darwin_objdir/x86_64-apple-darwin11.2.0/i386/libstdc++-v3/include
-I/sw/src/fink.build/gcc47-4.7.0-1/gcc-4.7-20111026/libstdc++-v3/libsupc++
-I/sw/src/fink.build/gcc47-4.7.0-1/gcc-4.7-20111026/libstdc++-v3/include/backward
-I/sw/src/fink.build/gcc47-4.7.0-1/gcc-4.7-20111026/libstdc++-v3/testsuite/util
-fmessage-length=0 -O0 -flto -flto-partition=none     
-L/sw/src/fink.build/gcc47-4.7.0-1/darwin_objdir/x86_64-apple-darwin11.2.0/i386/libstdc++-v3/src/.libs

-B/sw/src/fink.build/gcc47-4.7.0-1/darwin_objdir/x86_64-apple-darwin11.2.0/i386/libstdc++-v3/src/.libs

-L/sw/src/fink.build/gcc47-4.7.0-1/darwin_objdir/x86_64-apple-darwin11.2.0/i386/libstdc++-v3/src/.libs
 -multiply_defined suppress     -m32 -o g++-dg-lto-20080709-01.exe    (timeout
= 300)
g++: error: unrecognized command line option '-Zmultiply_defined suppress'^M
lto-wrapper:
/sw/src/fink.build/gcc47-4.7.0-1/darwin_objdir/gcc/testsuite/g++/../../g++
returned 1 exit status^M
collect2: error: lto-wrapper returned 1 exit status^M
compiler exited with status 1
output is:
g++: error: unrecognized command line option '-Zmultiply_defined suppress'^M
lto-wrapper:
/sw/src/fink.build/gcc47-4.7.0-1/darwin_objdir/gcc/testsuite/g++/../../g++
returned 1 exit status^M
collect2: error: lto-wrapper returned 1 exit status^M

FAIL: g++.dg/lto/20080709 cp_lto_20080709_0.o-cp_lto_20080709_0.o link, -O0
-flto -flto-partition=none