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

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

------- Comment #13 from rguenth at gcc dot gnu dot org  2010-03-30 16:00 -------
(In reply to comment #12)
> Please forget the second half of my previous comment
> (I copied / pasted the wrong part).  Here's the actual
> output, probably not very useful:
> 
> ig25@linux-fd1f:~/Gcc/trunk-bin> gcc/cc1 -quiet -o /dev/null -O2 -Wall -m32 -g
> -march=i486 -ftls-model=initial-exec -mtune=i686 -Werror -v
> x86_64-unknown-linux-gnu/32/libgomp/parallel.i
> ignoring nonexistent directory
> "/home/ig25/lib/gcc/x86_64-unknown-linux-gnu/4.5.0/../../../../x86_64-unknown-linux-gnu/include"
> #include "..." search starts here:
> #include <...> search starts here:
>  /usr/local/include
>  /home/ig25/include
>  /home/ig25/lib/gcc/x86_64-unknown-linux-gnu/4.5.0/include
>  /home/ig25/lib/gcc/x86_64-unknown-linux-gnu/4.5.0/include-fixed
>  /usr/include
> End of search list.
> 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
> 

/tmp> /abuild/rguenther/trunk-g/gcc/xgcc -B /abuild/rguenther/trunk-g/gcc -S -o
/dev/null -O2 -Wall -m32 -g -march=i486 -ftls-model=initial-exec -mtune=i686
-Werror team.i -v
Reading specs from /abuild/rguenther/trunk-g/gcc/specs
COLLECT_GCC=/abuild/rguenther/trunk-g/gcc/xgcc
COLLECT_LTO_WRAPPER=/abuild/rguenther/trunk-g/gcc/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /space/rguenther/src/svn/trunk/configure --disable-bootstrap
--disable-nls --disable-libstdcxx-pch --enable-lto
--enable-languages=c,ada,c++,fortran,java,lto,objc,obj-c++ --enable-gold
--with-plugin-ld=/usr/bin/gold : (reconfigured)  : (reconfigured)  :
(reconfigured)  : (reconfigured)  : (reconfigured)  : (reconfigured)  :
(reconfigured) /space/rguenther/src/svn/trunk/configure --disable-bootstrap
--disable-nls --disable-libstdcxx-pch --enable-lto --enable-gold
--with-plugin-ld=/usr/bin/gold CFLAGS=-g
--enable-languages=c,ada,c++,fortran,java,lto,objc,obj-c++ --no-create
--no-recursion : (reconfigured)  : (reconfigured)  : (reconfigured)  :
(reconfigured)  : (reconfigured)  : (reconfigured)  : (reconfigured)  :
(reconfigured)  : (reconfigured)  : (reconfigured) 
Thread model: posix
gcc version 4.5.0 20100316 (experimental) (GCC) 
COLLECT_GCC_OPTIONS='-B' '/abuild/rguenther/trunk-g/gcc' '-S' '-o' '/dev/null'
'-O2' '-Wall' '-m32' '-g' '-march=i486' '-ftls-model=initial-exec'
'-mtune=i686' '-Werror' '-v'
 /abuild/rguenther/trunk-g/gcc/cc1 -fpreprocessed team.i -quiet -dumpbase
team.i -m32 -march=i486 -mtune=i686 -auxbase-strip /dev/null -g -O2 -Wall
-Werror -version -ftls-model=initial-exec -o /dev/null
GNU C (GCC) version 4.5.0 20100330 (experimental) (x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.3.4 [gcc-4_3-branch revision 152973], GMP
version 4.3.1, MPFR version 2.3.2, MPC version 0.8.1
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU C (GCC) version 4.5.0 20100330 (experimental) (x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.3.4 [gcc-4_3-branch revision 152973], GMP
version 4.3.1, MPFR version 2.3.2, MPC version 0.8.1
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: d120cdac577033febb1405d25e77a328
COMPILER_PATH=/abuild/rguenther/trunk-g/gcc/
LIBRARY_PATH=/abuild/rguenther/trunk-g/gcc/32/:/lib/../lib/:/usr/lib/../lib/:/abuild/rguenther/trunk-g/gcc/:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-B' '/abuild/rguenther/trunk-g/gcc' '-S' '-o' '/dev/null'
'-O2' '-Wall' '-m32' '-g' '-march=i486' '-ftls-model=initial-exec'
'-mtune=i686' '-Werror' '-v'
/tmp>

that's with revision 157820.

Thus, I can't reproduce it.


-- 


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