[Bug libstdc++/40968] New: ICE including fenv.h when compiling O2g.gch

[lucier at math dot purdue dot edu]

with this compiler:

Mon Aug  3 16:57:15 UTC 2009 (revision 150373)

with this configure and build:

/bin/rm -rf *; ../../mainline/configure --enable-checking=release
--prefix=/pkgs/gcc-mainline-mem-stats --enable-languages=c,c++
--enable-gather-detailed-mem-stats -enable-stage1-languages=c,c++; make -j 6
bootstrap >& build.log

bootstrap fails with

/home/lucier/programs/gcc/objdirs/mainline/./gcc/xgcc -shared-libgcc
-B/home/lucier/programs/gcc/objdirs/mainline/./gcc -nostdinc++
-L/home/lucier/programs/gcc/objdirs/mainline/x86_64-unknown-linux-gnu/32/libstdc++-v3/src
-L/home/lucier/programs/gcc/objdirs/mainline/x86_64-unknown-linux-gnu/32/libstdc++-v3/src/.libs
-B/pkgs/gcc-mainline-mem-stats/x86_64-unknown-linux-gnu/bin/
-B/pkgs/gcc-mainline-mem-stats/x86_64-unknown-linux-gnu/lib/ -isystem
/pkgs/gcc-mainline-mem-stats/x86_64-unknown-linux-gnu/include -isystem
/pkgs/gcc-mainline-mem-stats/x86_64-unknown-linux-gnu/sys-include  -m32 -x
c++-header -D_GNU_SOURCE  -m32
-I/home/lucier/programs/gcc/objdirs/mainline/x86_64-unknown-linux-gnu/32/libstdc++-v3/include/x86_64-unknown-linux-gnu
-I/home/lucier/programs/gcc/objdirs/mainline/x86_64-unknown-linux-gnu/32/libstdc++-v3/include
-I/home/lucier/programs/gcc/mainline/libstdc++-v3/libsupc++ -O2 -g
/home/lucier/programs/gcc/mainline/libstdc++-v3/include/precompiled/stdtr1c++.h
-o x86_64-unknown-linux-gnu/bits/stdtr1c++.h.gch/O2g.gch
In file included from
/home/lucier/programs/gcc/objdirs/mainline/x86_64-unknown-linux-gnu/32/libstdc++-v3/include/tr1/cfenv:36:0,
                 from
/home/lucier/programs/gcc/mainline/libstdc++-v3/include/precompiled/stdtr1c++.h:33:
/home/lucier/programs/gcc/objdirs/mainline/x86_64-unknown-linux-gnu/32/libstdc++-v3/include/fenv.h:32:9:
internal compiler error: Segmentation fault

I'm sorry, but I don't really know how to go further in diagnosing this.


-- 
           Summary: ICE including fenv.h when compiling O2g.gch
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: lucier at math dot purdue dot edu
 GCC build triplet: x86_64-unknown-linux-gnu
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40968