[Bug c++/42010] New: ICE: lang_* check: failed in discriminator_for_local_entity, at cp/mangle.c:1581

["zsojka at seznam dot cz" <gcc-bugzilla@gcc.gnu.org>]

Following code crashes in gcc trunk revisions r154095 and r154098. r153685
compiles fine.

Command line switches:
g++ -std=c++0x
or
g++ -std=gnu++0x

------ testcase.cpp ------
struct A {
  void f()
  {
    static struct {
    } s;
  }
};
--------------------------

$ /mnt/svn/gcc-trunk/binary-154095-lto/bin/g++ -v -std=gnu++0x -c -o tmp.o
testcase.cpp
Using built-in specs.
COLLECT_GCC=/mnt/svn/gcc-trunk/binary-154095-lto/bin/g++
COLLECT_LTO_WRAPPER=/mnt/svn/gcc-trunk/binary-154095-lto/libexec/gcc/x86_64-unknown-linux-gnu/4.5.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../configure --enable-languages=lto,c,c++
--prefix=/mnt/svn/gcc-trunk/binary-154095-lto/
Thread model: posix
gcc version 4.5.0 20091111 (experimental) (GCC)
COLLECT_GCC_OPTIONS='-v' '-std=gnu++0x' '-c' '-o' 'tmp.o' '-shared-libgcc'
'-mtune=generic'

/mnt/svn/gcc-trunk/binary-154095-lto/libexec/gcc/x86_64-unknown-linux-gnu/4.5.0/cc1plus
-fpreprocessed testcase-x.i -quiet -dumpbase testcase-x.i -mtune=generic
-auxbase-strip tmp.o -std=gnu++0x -version -o /tmp/ccQx8uCh.s
GNU C++ (GCC) version 4.5.0 20091111 (experimental) (x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.5.0 20091111 (experimental), GMP version
4.3.1, MPFR version 2.4.1-p5, MPC version 0.7
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU C++ (GCC) version 4.5.0 20091111 (experimental) (x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.5.0 20091111 (experimental), GMP version
4.3.1, MPFR version 2.4.1-p5, MPC version 0.7
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: ea1de8eb0212138b74b7539fd1683110
testcase-x.i: In member function ‘void A::f()’:
testcase-x.i:5:7: internal compiler error: lang_* check: failed in
discriminator_for_local_entity, at cp/mangle.c:1581
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


-- 
           Summary: ICE: lang_* check: failed in
                    discriminator_for_local_entity, at cp/mangle.c:1581
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: zsojka at seznam dot cz
  GCC host triplet: x86_64-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42010