* gcc-interface/decl.c (gnat_to_gnu_entity): Use XALLOCAVEC instead
	of alloca.
	(components_to_record): Likewise.
	* gcc-interface/trans.c (gnat_to_gnu): Likewise.
	* gcc-interface/utils.c (max_size): Likewise.
	(build_vms_descriptor32): Likewise.
	(build_vms_descriptor): Likewise.

From-SVN: r162985