[Bug c/32326] New: ICE when -g specified

["joel at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

This may be a duplicate of PR 28868

a.c
=====
typedef struct a1 {
  int x;
} a1_t __attribute__((may_alias));
=====

a.c:3: internal compiler error: in splice_child_die, at dwarf2out.c:5503
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============

It does not occur targeting 

tic4x-rtems with gcc 3.4.6
avr-rtems with gcc 4.0.3
mingw with gcc 4.1.2 
i386-rtems with gcc 4.1.2
i386-rtems with gcc 4.2.0

It occurs with many gcc versions and targets:

gcc 4.1.1 Fedora Core 6 - i686-pc-linux-gnu
gcc 4.1.1 RTEMS - arm, h8300, i386, m68k, mips, powerpc, sh, sparc
gcc 4.1.2 RTEMS - arm, bfin, h8300, m68k, mips, powerpc, sh, sparc
gcc 4.2.0 RTEMS - arm, bfin, h8300, m68k, mips, powerpc, sh, sparc


-- 
           Summary: ICE when -g specified
           Product: gcc
           Version: 4.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: joel at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: cross target


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32326