[lto][patch] remove local variables from types (after gimplification)

["Rafael Espindola" <espindola at google dot com>]

Richard pointed out that changing a pointer to VLA into a normal
pointer would introduce performance regressions on the lto branch.

Since the memref branch is going to clean things up on this area and
we have to move forward on lto, Diego and I agreed it would be better
to just patch the types before LTO.

Is the attached patch OK for LTO? I know there will be other places
that expect these fields to be non-NULL, but we can fix them as they
are hit.

Bootstraping and regression testing it now.

2008-06-23  Rafael Espindola  <espindola@google.com>

	* calls.c (must_pass_in_stack_var_size): handle a NULL TYPE_SIZE.
	* expr.c (store_field): handle a NULL TYPE_SIZE.
	* tree.c (reset_type_lang_specific): set TYPE_SIZE_UNIT,
	TYPE_SIZE and TYPE_MAX_VALUE to NULL_TREE if they are not INTEGER_CST.

Cheers,
-- 
Rafael Avila de Espindola

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Attachment: vla.patch
Description: Binary data