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[Bug driver/50876] [4.7 Regression] unrecognized command line option '-Zmultiply_defined suppress regressions for lto.exp on x86_64-apple-darwin11


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

--- Comment #12 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-10-27 14:44:39 UTC ---
(In reply to comment #8)

The patch (with Iain's additional change to the argv allocation) eliminates the
lto.exp failures in the g++ testsuite. We may still have a regression in the
gcc testsuite with lto.exp. At -m32, I see...

Executing on host: /sw/src/fink.build/gcc47-4.7.0-1/darwin_objdir/gcc/xgcc
-B/sw/src/fink.build/gcc47-4.7.0-1/darwin_objdir/gcc/   -flto -funsigned-char 
-c  -m32 -o c_lto_20090120_0.o
/sw/src/fink.build/gcc47-4.7.0-1/gcc-4.7-20111027/gcc/testsuite/gcc.dg/lto/20090120_0.c
   (timeout = 300)
PASS: gcc.dg/lto/20090120 c_lto_20090120_0.o assemble, -flto -funsigned-char
Executing on host: /sw/src/fink.build/gcc47-4.7.0-1/darwin_objdir/gcc/xgcc
-B/sw/src/fink.build/gcc47-4.7.0-1/darwin_objdir/gcc/ c_lto_20090120_0.o  
-flto -funsigned-char       -m32 -o gcc-dg-lto-20090120-01.exe    (timeout =
300)
PASS: gcc.dg/lto/20090120 c_lto_20090120_0.o-c_lto_20090120_0.o link, -flto
-funsigned-char
Setting LD_LIBRARY_PATH to
:/sw/src/fink.build/gcc47-4.7.0-1/darwin_objdir/gcc::/sw/src/fink.build/gcc47-4.7.0-1/darwin_objdir/gcc
FAIL: gcc.dg/lto/20090120 c_lto_20090120_0.o-c_lto_20090120_0.o execute -flto
-funsigned-char

which didn't occur with r180517 and r180521 regressed.


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