[Bug bootstrap/32764] [4.3 regression] : Failed to bootstrap on Linux/ia64

[hjl at lucon dot org]

------- Comment #3 from hjl at lucon dot org  2007-07-14 04:57 -------
(In reply to comment #2)
> This one
> 
> --- gcc/var-tracking.c.bad      2007-07-13 19:38:08.000000000 -0700
> +++ gcc/var-tracking.c  2007-07-13 20:24:27.000000000 -0700
> @@ -1824,6 +1824,9 @@ find_src_status (dataflow_set *in, rtx l
>           src = SET_SRC (XVECEXP (PATTERN (insn), 0, i));
>      }
> 
> +  if (!src)
> +    return status;
> +
>    if (REG_P (src))
>      decl = var_debug_decl (REG_EXPR (src));
>    else if (MEM_P (src))
> @@ -1862,6 +1865,9 @@ find_src_set_src (dataflow_set *set, rtx
>           src = SET_SRC (XVECEXP (PATTERN (insn), 0, i));
>      }
> 
> +  if (!src)
> +    return set_src;
> +
>    if (REG_P (src))
>      decl = var_debug_decl (REG_EXPR (src));
>    else if (MEM_P (src))
> 
> passes the stage 1.
> 

It works for me on Linux/ia32, Linux/Intel64 and Linux/ia64.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32764