debugging internal compiler errors ...

[Ian Lance Taylor]

kevin diggs <diggskevin38@gmail.com> writes:

> Based on this:
>
> #12 0x0813c8b9 in expand_expr_real_1 (exp=0xb73c76ac, target=0x0,
>     tmode=VOIDmode, modifier=EXPAND_NORMAL, alt_rtl=0x0)
>     at ../../gcc-4.3.5/gcc/expr.c:9158
> 9158		expand_assignment (lhs, rhs, MOVE_NONTEMPORAL (exp));
> (gdb) call debug_rtx(lhs)
> (const/j (nil))
> (gdb) call debug_rtx(rhs)
> (lshiftrt (nil)
>     (nil))

That certainly looks wrong.  There shouldn't be any "(nil)" there.
Either the debugger is confused or the compiler is confused.

> P.S.:  Is there a way to turnoff the -quiet option to cc1 from the driver?

-Q

Ian