[Bug target/43729] Mach-O LTO support needed for darwin

[howarth at nitro dot med dot uc dot edu]

------- Comment #29 from howarth at nitro dot med dot uc dot edu  2010-05-02 00:01 -------
Mike,
    I've attached one of the failing testcases with all of the files generated
by the commands...

/Users/stevenb/lto_objdir32/gcc/xgcc -B/Users/stevenb/lto_objdir32/gcc/ 
--save-temps -O0 -fwhopr  -c  -o c_lto_20081111_0.o
/Users/stevenb/gcc_trunk/gcc/testsuite/gcc.dg/lto/20081111_0.c
/Users/stevenb/lto_objdir32/gcc/xgcc -B/Users/stevenb/lto_objdir32/gcc/ 
--save-temps -O0 -fwhopr  -c  -o c_lto_20081111_1.o
/Users/stevenb/gcc_trunk/gcc/testsuite/gcc.dg/lto/20081111_1.c
/Users/stevenb/lto_objdir32/gcc/xgcc -B/Users/stevenb/lto_objdir32/gcc/
c_lto_20081111_0.o c_lto_20081111_1.o  -v --save-temps -O0 -fwhopr       -o
gcc-dg-lto-20081111-01

Unfortunately this testcase produces an empty gcc-dg-lto-20081111-01.s file.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43729