r193750 - in /trunk/gcc: ada/ChangeLog ada/gcc-...

[ebotcazou@gcc.gnu.org]

Author: ebotcazou
Date: Fri Nov 23 10:42:50 2012
New Revision: 193750

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193750
Log:
	* gcc-interface/decl.c (components_need_strict_alignment): New.
	(components_to_record): Do not pack the variants if one of the fields
	needs strict alignment.  Likewise for the variant part as a whole.
	Specify the position of the variants even if the size isn't specified,
	but do not specify the size of the variant part in this case.

Added:
    trunk/gcc/testsuite/gnat.dg/discr39.adb
Modified:
    trunk/gcc/ada/ChangeLog
    trunk/gcc/ada/gcc-interface/decl.c
    trunk/gcc/testsuite/ChangeLog