* config/alpha/alpha.c (current_function_is_thunk): Don't check
        current_function_is_thunk.
        (alpha_sa_mask): Distinguish between current_function_is_thunk
        called from ASM_OUTPUT_MI_THUNK and not.
        (alpha_does_function_need_gp): Thunks always need gp.
        (alpha_start_function, alpha_output_function_end_prologue): Likewise.
        (alpha_output_mi_thunk_osf): New.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): New.

cp/
        * method.c (use_thunk): Always initialize the block tree.  Reindent.
        * semantics.c (expand_body): Emit thunks after function, not before.

From-SVN: r49484