(expand_expr, case VAR_DECL): Set REGNO_POINTER_ALIGN when copying address into memory.

(expand_expr, case VAR_DECL): Set REGNO_POINTER_ALIGN when copying address into memory.

(expand_expr, case VAR_DECL): Set REGNO_POINTER_ALIGN
when copying address into memory.
(expand_expr, case COMPONENT_REF, case ADDR_EXPR): Set alignment
of register when result or result's address.
(expand_expr, case CONVERT_EXPR): Don't handle -fforce-mem here.

From-SVN: r10869