GDB 6.8 fatal warning when compiled with GCC trunk 4.4

[Laurent GUERBY]

On Sat, 2009-02-28 at 17:49 +0100, Laurent GUERBY wrote:
> On Sat, 2009-02-28 at 08:06 -0800, Paul Pluzhnikov wrote:
> > On Sat, Feb 28, 2009 at 6:18 AM, Laurent GUERBY <laurent@guerby.net> wrote:
> > 
> > > FYI GDB 6.8 fails to build when compiled with GCC trunk (4.4 not
> > > released yet) because of a new warning:
> > 
> > Thanks for reporting this.
> > 
> > AFAICT, current GDB CVS Head compiles fine with GCC trunk.
> > Could you confirm that?
> 
> Yes I confirm GDB HEAD builds fine with GCC trunk, on compile
> farm gcc17 (bi-quad x86_64):
> 
> guerby@gcc17:~/build-gdb$ gcc --version
> gcc (GCC) 4.4.0 20090228 (experimental) [trunk revision 144486]
> guerby@gcc17:~/build-gdb$ ../gdb-head/configure --prefix=/n/17/guerby/install-gdb-20080228 --disable-nls
> ...
> guerby@gcc17:~/build-gdb$ time make -j 8; echo $?
> ...
> make[1]: Leaving directory `/home/guerby/build-gdb'
> 
> real	1m18.425s
> user	4m23.184s
> sys	0m38.850s
> 0
> 
> It looks like GDB make -k check is not parallelized so it will take
> a while more to have testresults :). 

guerby@gcc17:~/build-gdb$ time make -j 8 -k check >& c.log; echo $?

real	14m8.140s
user	2m16.133s
sys	3m36.586s
2

		=== gdb Summary ===

# of expected passes		13120
# of unexpected failures	142
# of expected failures		42
# of known failures		55
# of unresolved testcases	2
# of untested testcases		10
# of unsupported tests		15
/home/guerby/build-gdb/gdb/testsuite/../../gdb/gdb version  6.8.50.20090228-cvs -nw -nx 

Laurent