[Bug lto/44812] m32 lto produces non-relocatable subtraction expression errors

["dominiq at lps dot ens dot fr" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #20 from dominiq at lps dot ens dot fr  2010-08-27 00:09 -------
The patch in comment #18 works also on powerpc-apple-darwin9:

Running target unix/-m32
Using /sw/share/dejagnu/baseboards/unix.exp as board description file for
target.
Using /sw/share/dejagnu/config/unix.exp as generic interface file for target.
Using /opt/gcc/gcc-4.6-work/gcc/testsuite/config/default.exp as
tool-and-target-specific interface file.
Running /opt/gcc/gcc-4.6-work/gcc/testsuite/gcc.dg/lto/lto.exp ...
FAIL: gcc.dg/lto/20090213 c_lto_20090213_0.o-c_lto_20090213_1.o link, -O2
-fwhopr
FAIL: gcc.dg/lto/20090218 c_lto_20090218_0.o-c_lto_20090218_3.o link, -O2
-fwhopr
FAIL: gcc.dg/lto/ipareference2 c_lto_ipareference2_0.o-c_lto_ipareference2_1.o
execute  -O1 -fwhopr -fwhole-program

                === gcc Summary for unix/-m32 ===

# of expected passes            613
# of unexpected failures        3
# of unresolved testcases       2
# of unsupported tests          8
Running target unix/-m64
Using /sw/share/dejagnu/baseboards/unix.exp as board description file for
target.
Using /sw/share/dejagnu/config/unix.exp as generic interface file for target.
Using /opt/gcc/gcc-4.6-work/gcc/testsuite/config/default.exp as
tool-and-target-specific interface file.
Running /opt/gcc/gcc-4.6-work/gcc/testsuite/gcc.dg/lto/lto.exp ...
FAIL: gcc.dg/lto/20090116 c_lto_20090116_0.o-c_lto_20090116_0.o link, -O1
-fwhopr -fPIC (internal compiler error)
FAIL: gcc.dg/lto/20090213 c_lto_20090213_0.o-c_lto_20090213_1.o link, -O2
-fwhopr
FAIL: gcc.dg/lto/20090218 c_lto_20090218_0.o-c_lto_20090218_3.o link, -O2
-fwhopr
FAIL: gcc.dg/lto/ipareference2 c_lto_ipareference2_0.o-c_lto_ipareference2_1.o
execute  -O1 -fwhopr -fwhole-program

                === gcc Summary for unix/-m64 ===

# of expected passes            612
# of unexpected failures        4
# of unresolved testcases       3
# of unsupported tests          8

                === gcc Summary ===

# of expected passes            1225
# of unexpected failures        7
# of unresolved testcases       5
# of unsupported tests          16
/opt/gcc/darwin_buildw/gcc/xgcc  version 4.6.0 20100825 (experimental) [trunk
revision 163553p1] (GCC) 

with an extra ICE for gcc.dg/lto/20090116.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44812