$ cat mayalias-2.c
struct S { short x; };
typedef struct S __attribute__((__may_alias__)) test;

$ ./bin/gcc mayalias-2.c -g
mayalias-2.c:2:16: internal compiler error: in splice_child_die, at
dwarf2out.c:5641
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

$ ./bin/gcc -v
Using built-in specs.
Target: mips-sgi-irix6.5
Configured with: ../trunk/configure --prefix=/usr/people/francois/devel/irun
--enable-languages=c,fortran --with-gmp=/usr/people/francois/local
--enable-mapped-location
Thread model: posix
gcc version 4.3.0 20071107 (experimental) [trunk revision 129965] (GCC)

On mips-sgi-irix6.5, -g uses dwarf2. Using -gstabs instead of -g make it pass.


-- 
           Summary: ICE on __may_alias__ with -g
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: fxcoudert at gcc dot gnu dot org
 GCC build triplet: mips-sgi-irix6.5
  GCC host triplet: mips-sgi-irix6.5
GCC target triplet: mips-sgi-irix6.5


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34041

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