[patch] Fix ICE on unaligned record field

[Eric Botcazou]

Martin,

> I suppose that could be done by something like the following, which I
> have tested only very mildly so far, in particular I have not double
> checked that get_inner_reference is cfun-agnostic.

The patch introduces no regressions on x86-64/Linux and makes the testcase 
(gnat.dg/specs/pack12.ads attached to the first message) pass.

Do you plan to install it (along with the testcase)?

> 2014-12-03  Martin Jambor  <mjambor@suse.cz>
> 
> 	* tree-sra.c (ipa_sra_check_caller_data): New type.
> 	(has_caller_p): Removed.
> 	(ipa_sra_check_caller): New function.
> 	(ipa_sra_preliminary_function_checks): Use it.

-- 
Eric Botcazou