[Bug c/35034] assembler errors when building gcc/unwind-*.c at -O0 or -O1

["aldot at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #1 from aldot at gcc dot gnu dot org  2008-01-30 22:56 -------
Works with -O2, fails with -O0, -O1, -O2 -fno-inline

-O0:
$ /scratch/obj.i686/gcc-4.3/./gcc/xgcc -B/scratch/obj.i686/gcc-4.3/./gcc/
-B/opt/i686/gcc-4.3//i686-linux-gnu/bin/
-B/opt/i686/gcc-4.3//i686-linux-gnu/lib/ -isystem
/opt/i686/gcc-4.3//i686-linux-gnu/include -isystem
/opt/i686/gcc-4.3//i686-linux-gnu/sys-include   -DIN_GCC    -W -Wall
-Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
 -isystem ./include  -fPIC -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2
-D__GCC_FLOAT_NOT_NEEDED   -I. -I. -I../.././gcc
-I../../../../src/gcc-4.3/libgcc -I../../../../src/gcc-4.3/libgcc/.
-I../../../../src/gcc-4.3/libgcc/../gcc
-I../../../../src/gcc-4.3/libgcc/../include
-I../../../../src/gcc-4.3/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT
-DHAVE_CC_TLS -DUSE_TLS -o lib2addeh_static_onestep.o -MT
lib2addeh_static_onestep.o -MD -MP -MF lib2addeh_static_onestep.dep
-fexceptions -combine ../../../../src/gcc-4.3/libgcc/../gcc/emutls.c
../../../../src/gcc-4.3/libgcc/../gcc/gthr-gnat.c
../../../../src/gcc-4.3/libgcc/../gcc/unwind-c.c
../../../../src/gcc-4.3/libgcc/../gcc/unwind-dw2-fde-glibc.c
../../../../src/gcc-4.3/libgcc/../gcc/unwind-dw2.c
../../../../src/gcc-4.3/libgcc/../gcc/unwind-sjlj.c -fvisibility=hidden
-DHIDE_EXPORTS -c -O0
/tmp/ccidDTzT.s: Assembler messages:
/tmp/ccidDTzT.s:5738: Error: symbol `size_of_encoded_value' is already defined
/tmp/ccidDTzT.s:5889: Error: symbol `read_uleb128' is already defined
/tmp/ccidDTzT.s:5932: Error: symbol `read_sleb128' is already defined
/tmp/ccidDTzT.s:5989: Error: symbol `read_encoded_value_with_base' is already
defined
/tmp/ccidDTzT.s:6224: Error: symbol `get_cie' is already defined
/tmp/ccidDTzT.s:6248: Error: symbol `next_fde' is already defined


-O1:
$ /scratch/obj.i686/gcc-4.3/./gcc/xgcc -B/scratch/obj.i686/gcc-4.3/./gcc/
-B/opt/i686/gcc-4.3//i686-linux-gnu/bin/
-B/opt/i686/gcc-4.3//i686-linux-gnu/lib/ -isystem
/opt/i686/gcc-4.3//i686-linux-gnu/include -isystem
/opt/i686/gcc-4.3//i686-linux-gnu/sys-include   -DIN_GCC    -W -Wall
-Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
 -isystem ./include  -fPIC -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2
-D__GCC_FLOAT_NOT_NEEDED   -I. -I. -I../.././gcc
-I../../../../src/gcc-4.3/libgcc -I../../../../src/gcc-4.3/libgcc/.
-I../../../../src/gcc-4.3/libgcc/../gcc
-I../../../../src/gcc-4.3/libgcc/../include
-I../../../../src/gcc-4.3/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT
-DHAVE_CC_TLS -DUSE_TLS -o lib2addeh_static_onestep.o -MT
lib2addeh_static_onestep.o -MD -MP -MF lib2addeh_static_onestep.dep
-fexceptions -combine ../../../../src/gcc-4.3/libgcc/../gcc/emutls.c
../../../../src/gcc-4.3/libgcc/../gcc/gthr-gnat.c
../../../../src/gcc-4.3/libgcc/../gcc/unwind-c.c
../../../../src/gcc-4.3/libgcc/../gcc/unwind-dw2-fde-glibc.c
../../../../src/gcc-4.3/libgcc/../gcc/unwind-dw2.c
../../../../src/gcc-4.3/libgcc/../gcc/unwind-sjlj.c -fvisibility=hidden
-DHIDE_EXPORTS -c -O1
/tmp/ccNNdoTR.s: Assembler messages:
/tmp/ccNNdoTR.s:5207: Error: symbol `read_uleb128' is already defined
/tmp/ccNNdoTR.s:5260: Error: symbol `read_sleb128' is already defined
/tmp/ccNNdoTR.s:5329: Error: symbol `read_encoded_value_with_base' is already
defined


-- 

aldot at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|assembler errors when       |assembler errors when
                   |building gcc/unwind-*.c     |building gcc/unwind-*.c at -
                   |                            |O0 or -O1


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35034