[New port] segfault in copy_to_mode_reg(PSImode, NULL)

Ian Lance Taylor iant@google.com
Sat Jun 18 20:55:00 GMT 2011


Aurelien BUHRIG <aurelien.buhrig.gcc@gmail.com> writes:

> #0  0x000000000050b9e5 in copy_to_mode_reg (mode=PSImode, x=0x0) at
> <...>/src/gcc/explow.c:621

x can not be NULL there.

> #1  0x00000000005206d3 in set_storage_via_libcall (object=0x8a15ec0,
> size=0x88a1480, val=0x88a1400, tailcall=0 '\000') at
> <...>/src/gcc/expr.c:2644

The line is
  object = copy_to_mode_reg (Pmode, XEXP (object, 0));
so it looks like XEXP (object, 0) is NULL, which is invalid.  Here
object is a MEM.  So you need to find out how you got a MEM with a NULL
address.

Ian



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