[Bug c++/37268] New: ICE in template typedef with aligned attribute

[svobodamo at gmail dot com]

gcc:
    g++-4.1 (GCC) 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)

system:
    Linux mavis 2.6.18-6-xen-amd64 #1 SMP Fri Jun 6 06:38:05 UTC 2008 x86_64
    GNU/Linux

cmd line:
    g++-4.1 -v -Wall -ggdb -save-temps test.cpp

output:
    [EMAIL PROTECTED]:~/devel/g++4.1-crash$ g++-4.1 -v -Wall -ggdb -save-temps 
test.cpp
    Using built-in specs.
    Target: x86_64-linux-gnu
    Configured with: ../src/configure -v
        --enable-languages=c,c++,fortran,objc,obj-c++,treelang --prefix=/usr
        --enable-shared --with-system-zlib --libexecdir=/usr/lib
        --without-included-gettext --enable-threads=posix --enable-nls
        --program-suffix=-4.1 --enable-__cxa_atexit --enable-clocale=gnu
        --enable-libstdcxx-debug --enable-mpfr --enable-checking=release
        x86_64-linux-gnu
    Thread model: posix
    gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)
     /usr/lib/gcc/x86_64-linux-gnu/4.1.2/cc1plus -E -quiet -v -D_GNU_SOURCE \
        test.cpp -mtune=k8 -Wall -fworking-directory -fpch-preprocess -o
test.ii
    ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu"
    ignoring nonexistent directory
"/usr/lib/gcc/x86_64-linux-gnu/4.1.2/../../../../x86_64-linux-gnu/include"
    ignoring nonexistent directory "/usr/include/x86_64-linux-gnu"
    #include "..." search starts here:
    #include <...> search starts here:
     /usr/lib/gcc/x86_64-linux-gnu/4.1.2/../../../../include/c++/4.1.2
    
/usr/lib/gcc/x86_64-linux-gnu/4.1.2/../../../../include/c++/4.1.2/x86_64-linux-gnu
     /usr/lib/gcc/x86_64-linux-gnu/4.1.2/../../../../include/c++/4.1.2/backward
     /usr/local/include
     /usr/lib/gcc/x86_64-linux-gnu/4.1.2/include
     /usr/include
    End of search list.
     /usr/lib/gcc/x86_64-linux-gnu/4.1.2/cc1plus -fpreprocessed test.ii -quiet 
\
        -dumpbase test.cpp -mtune=k8 -auxbase test -ggdb -Wall -version -o
test.s

    GNU C++ version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)
(x86_64-linux-gnu)
            compiled by GNU C version 4.1.2 20061115 (prerelease) (Debian
4.1.1-21).
    GGC heuristics: --param ggc-min-expand=93 --param ggc-min-heapsize=119424
    Compiler executable checksum: 632603bce5ef3f84603416b58939d0f7
    test.cpp: In instantiation of ‘C<AA>’:
    test.cpp:21:   instantiated from here
    test.cpp:12: internal compiler error: in is_base_type, at dwarf2out.c:8236
    Please submit a full bug report,


preprocessed file:

// /usr/lib/gcc/x86_64-linux-gnu/4.1.2/cc1plus -fpreprocessed test.ii -quiet
// -dumpbase test.cpp -mtune=k8 -auxbase test -ggdb -Wall -version -o -
// -frandom-seed=0

# 1 "test.cpp"
# 1 "/home/x/devel/g++4.1-crash//"
# 1 "<built-in>"
# 1 "<command line>"
# 1 "test.cpp"
struct A { };
struct AA { };

template<class T>
struct B {
    typedef A T_A;
};


template<typename T>
struct C {
    typedef typename B<T>::T_A __attribute__((aligned(16))) T2;

    C () { }
};


int main (int , char* [])
{   
    C<AA> q;
    return 0;
}


-- 
           Summary: ICE in template typedef with aligned attribute
           Product: gcc
           Version: 4.1.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: svobodamo at gmail dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37268