Bug#633754: gcj-4.6: FTBFS on m68k with segfault

[Richard <rz@linux-m68k.org>]

On Thu, Jul 14, 2011 at 06:47:28PM +0000, Thorsten Glaser wrote:
> Richard dixit:
> 
> >equiv_constant is called with NULL pointer, I would think this is
> >illegal and the problem happened one level up :
> 
> Probably.
> 
> (gdb) frame 1
> #1  0x804b0542 in fold_rtx (x=0xc83cb5f4, insn=0xc83cc1c0) at ../../src/gcc/cse.c:3274
> 3274                const_arg = equiv_constant (folded_arg);
> (gdb) list
> 3269
> 3270    #ifdef HAVE_cc0
> 3271              case CC0:
> 3272                folded_arg = prev_insn_cc0;
> 3273                mode_arg = prev_insn_cc0_mode;
> 3274                const_arg = equiv_constant (folded_arg);
> 3275                break;
> 3276    #endif

what is "prev_insn"?

Richard

---
Name and OpenPGP keys available from pgp key servers