trans.c (call_to_gnu): Open a nesting level if this is a statement.
* gcc-interface/trans.c (call_to_gnu): Open a nesting level if this is
a statement. Otherwise, if at top-level, push the processing of the
elaboration routine. In the misaligned case, issue the error messages
again on entry and create the temporary explicitly. Do not issue them
for CONSTRUCTORs.
For a function call, emit the range check if necessary.
In the copy-in copy-out case, create the temporary for the return
value explicitly.
Do not unnecessarily convert by-ref parameters to the formal's type.
Remove obsolete guards in conditions.
(gnat_to_gnu) <N_Assignment_Statement>: For a function call, pass the
target to call_to_gnu in all cases.
(gnat_gimplify_expr) <ADDR_EXPR>: Remove handling of SAVE_EXPR.
(addressable_p) <CONSTRUCTOR>: Return false if not static.
<COMPOUND_EXPR>: New case.
* gcc-interface/utils2.c (build_unary_op) <ADDR_EXPR>: Fold a compound
expression if it has unconstrained array type.
(gnat_mark_addressable) <COMPOUND_EXPR>: New case.
(gnat_stabilize_reference) <COMPOUND_EXPR>: Stabilize operands on an
individual basis.