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From: "philb at gnu dot org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/49433] New: internal compiler error: in write_builtin_type, at cp/mangle.c:2167
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49433

           Summary: internal compiler error: in write_builtin_type, at
                    cp/mangle.c:2167
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: minor
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: philb@gnu.org


Created attachment 24543
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24543
testcase

Due to some stray CFLAGS I found myself compiling libstdc++ with -flto turned
on, which yielded:

$ arm-oe-linux-gnueabi-g++ -O2 -flto -g -fpermissive -std=gnu++0x atomic.ii -S
In file included from
/home/pb/oe/build-giga/tmp-eglibc/work/armv6-oe-linux-gnueabi/gcc-runtime-4.6.0-r4/gcc-4.6.0/build.arm-oe-linux-gnueabi.arm-oe-linux-gnueabi/libstdc++-v3/include/functional:59:0,
                 from
/home/pb/oe/build-giga/tmp-eglibc/work/armv6-oe-linux-gnueabi/gcc-runtime-4.6.0-r4/gcc-4.6.0/build.arm-oe-linux-gnueabi.arm-oe-linux-gnueabi/libstdc++-v3/include/mutex:43,
                 from
/home/pb/oe/build-giga/tmp-eglibc/work/armv6-oe-linux-gnueabi/gcc-runtime-4.6.0-r4/gcc-4.6.0/libstdc++-v3/src/atomic.cc:28:
/home/pb/oe/build-giga/tmp-eglibc/work/armv6-oe-linux-gnueabi/gcc-runtime-4.6.0-r4/gcc-4.6.0/build.arm-oe-linux-gnueabi.arm-oe-linux-gnueabi/libstdc++-v3/include/bits/functional_hash.h:
In instantiation of 'std::size_t std::hash<_Tp>::operator()(_Tp) const [with
_Tp = long double, std::size_t = unsigned int]':
/home/pb/oe/build-giga/tmp-eglibc/work/armv6-oe-linux-gnueabi/gcc-runtime-4.6.0-r4/gcc-4.6.0/libstdc++-v3/src/atomic.cc:122:1:
  instantiated from here
/home/pb/oe/build-giga/tmp-eglibc/work/armv6-oe-linux-gnueabi/gcc-runtime-4.6.0-r4/gcc-4.6.0/build.arm-oe-linux-gnueabi.arm-oe-linux-gnueabi/libstdc++-v3/include/bits/functional_hash.h:184:5:
internal compiler error: in write_builtin_type, at cp/mangle.c:2167
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
$