[Bug bootstrap/43583] New: [4.5 Regression] "value computed not used" in parallel.c:121:4

[tkoenig at gcc dot gnu dot org]

Bootstrap fails with revision 157799 on trunk:

/bin/sh ./libtool --tag=CC   --mode=compile /home/ig25/Gcc/trunk-bin/./gcc/xgcc
-B/home/ig25/Gcc/trunk-bin/./gcc/ -B/home/ig25/x86_64-unknown-linux-gnu/bin/
-B/home/ig25/x86_64-unknown-linux-gnu/lib/ -isystem
/home/ig25/x86_64-unknown-linux-gnu/include -isystem
/home/ig25/x86_64-unknown-linux-gnu/sys-include    -DHAVE_CONFIG_H -I.
-I../../../../trunk/libgomp  -I../../../../trunk/libgomp/config/linux/x86
-I../../../../trunk/libgomp/config/linux
-I../../../../trunk/libgomp/config/posix -I../../../../trunk/libgomp  -Wall
-Werror -ftls-model=initial-exec -march=i486 -mtune=i686 -Wc,-pthread -g -O2 
-m32 -MT parallel.lo -MD -MP -MF .deps/parallel.Tpo -c -o parallel.lo
../../../../trunk/libgomp/parallel.c
libtool: compile:  /home/ig25/Gcc/trunk-bin/./gcc/xgcc
-B/home/ig25/Gcc/trunk-bin/./gcc/ -B/home/ig25/x86_64-unknown-linux-gnu/bin/
-B/home/ig25/x86_64-unknown-linux-gnu/lib/ -isystem
/home/ig25/x86_64-unknown-linux-gnu/include -isystem
/home/ig25/x86_64-unknown-linux-gnu/sys-include -DHAVE_CONFIG_H -I.
-I../../../../trunk/libgomp -I../../../../trunk/libgomp/config/linux/x86
-I../../../../trunk/libgomp/config/linux
-I../../../../trunk/libgomp/config/posix -I../../../../trunk/libgomp -Wall
-Werror -ftls-model=initial-exec -march=i486 -pthread -mtune=i686 -g -O2 -m32
-MT parallel.lo -MD -MP -MF .deps/parallel.Tpo -c
../../../../trunk/libgomp/parallel.c  -fPIC -DPIC -o .libs/parallel.o
cc1: warnings being treated as errors
../../../../trunk/libgomp/parallel.c: In function 'GOMP_parallel_end':
../../../../trunk/libgomp/parallel.c:121:4: error: value computed is not used
make[9]: *** [parallel.lo] Error 1
make[9]: Leaving directory
`/home/ig25/Gcc/trunk-bin/x86_64-unknown-linux-gnu/32/libgomp'
make[8]: *** [all-recursive] Error 1
make[8]: Leaving directory
`/home/ig25/Gcc/trunk-bin/x86_64-unknown-linux-gnu/32/libgomp'
make[7]: *** [all] Error 2
make[7]: Leaving directory
`/home/ig25/Gcc/trunk-bin/x86_64-unknown-linux-gnu/32/libgomp'
make[6]: *** [multi-do] Error 1
make[6]: Leaving directory
`/home/ig25/Gcc/trunk-bin/x86_64-unknown-linux-gnu/libgomp'
make[5]: *** [all-multi] Error 2
make[5]: Leaving directory
`/home/ig25/Gcc/trunk-bin/x86_64-unknown-linux-gnu/libgomp'
make[4]: *** [all-recursive] Error 1
make[4]: Leaving directory
`/home/ig25/Gcc/trunk-bin/x86_64-unknown-linux-gnu/libgomp'
make[3]: *** [all] Error 2
make[3]: Leaving directory
`/home/ig25/Gcc/trunk-bin/x86_64-unknown-linux-gnu/libgomp'
make[2]: *** [all-stage1-target-libgomp] Error 2
make[2]: Leaving directory `/home/ig25/Gcc/trunk-bin'
make[1]: *** [stage1-bubble] Error 2
make[1]: Leaving directory `/home/ig25/Gcc/trunk-bin'
make: *** [all] Error 2

configure command was

../trunk/configure --prefix=$HOME --enable-languages=all,ada
--with-mpc=/usr/local


-- 
           Summary: [4.5 Regression] "value computed not used" in
                    parallel.c:121:4
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: tkoenig at gcc dot gnu dot org
  GCC host triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43583