gcc_jit_type_get_aligned

gcc/jit/ChangeLog:
	* docs/cp/topics/types.rst (gccjit::type::get_const): Remove
	comment.
	(gccjit::type::get_aligned): Add.
	* docs/topics/compatibility.rst: Add LIBGCCJIT_ABI_7.
	* docs/topics/types.rst: Add gcc_jit_type_get_aligned.
	* docs/_build/texinfo/libgccjit.texi: Regenerate.
	* jit-playback.c (gcc::jit::playback::type::get_aligned): New
	method.
	* jit-playback.h (gcc::jit::playback::type::get_aligned): New
	method.
	* jit-recording.c: Within namespace gcc::jit::recording...
	(type::get_aligned): New method.
	(memento_of_get_aligned::replay_into): New method.
	(memento_of_get_aligned::make_debug_string): New method.
	(memento_of_get_aligned::write_reproducer): New method.
	* jit-recording.h: Within namespace gcc::jit::recording...
	(type::get_aligned): New method.
	(type::accepts_writes_from): Strip off qualifications from
	this when comparing pointer equality.
	(decorated_type): New subclass of type, subsuming the
	commonality between memento_of_get_const and
	memento_of_get_volatile.
	(memento_of_get_const): Make a subclass of decorated_type,
	rather than type.
	(memento_of_get_volatile): Likewise.
	(memento_of_get_aligned): Likewise.
	* libgccjit++.h: Within namespace gccjit...
	(type::get_const): New method.
	(type::get_aligned): New method.
	* libgccjit.c (gcc_jit_type_get_aligned): New function.
	* libgccjit.h (gcc_jit_type_get_aligned): New decl.
	* libgccjit.map (LIBGCCJIT_ABI_7): New
	(gcc_jit_type_get_aligned): Add.

gcc/testsuite/ChangeLog:
	* jit.dg/all-non-failing-tests.h: Add test-alignment.c.
	* jit.dg/test-alignment.c: New test case.
	* jit.dg/test-alignment.cc: New test case.
	* jit.dg/test-error-gcc_jit_type_get_aligned-non-power-of-two.c:
	New test case.

From-SVN: r247111