* attribs.c (handle_deprecated_attribute): constify WHAT.
        * diagnostic.c (warn_deprecated_use): Add braces, fixes
        dangling else warning and constify WHAT.
        * except.h (struct function, struct inline_remap): Move
        struct tag forward defs before all prototypes.
        (duplicate_eh_regions): Whitespace.

From-SVN: r48799