[PATCH] [4.3 Regression] Fix major memory-usage regression on mainline

[Mark Mitchell]

Doug Gregor wrote:

> 2007-03-13  Douglas Gregor  <doug.gregor@gmail.com>
> 
>     * ptree.c (cxx_print_type): Use formatting markup for integers
>     when printing template parameter index/level/orig level.
>     (cxx_print_xnode): Ditto.
>     * cp-tree.h (TEMPLATE_PARM_PARAMETER_PACK): Use TREE_LANG_FLAG_0.
>     (struct template_parm_index_s): Remove the PARAMETER_PACK member.
>     Make INDEX, LEVEL, and ORIG_LEVEL integers instead of
>     HOST_WIDE_INTs.
>     (struct saved_scope): Make X_PROCESSING_TEMPLATE_DECL an int,
>     rather than a HOST_WIDE_INT.
>     Turn X_PROCESSING_EXPLICIT_INSTANTIATION, SKIP_EVALUATION, and
>     NEED_POP_FUNCTION_CONTEXT into bool bitfields; reorder fields for
>     better bit-packing.
>     (struct language_function): Make RETURNS_VALUE, RETURNS_NULL,
>     RETURNS_ABNORMALLY, IN_FUNCTION_TRY_HANDLER, and
>     IN_BASE_INITIALIZER bool bitfields.
>     (struct cp_declarator): Make KIND a 4-bit field. Make
>     PARAMETER_PACK_P a bool bitfield just after KIND.
>     * pt.c (uses_parameter_packs): Destroy the pointer set.
>     (make_pack_expansion): Ditto.
>     (check_for_bare_parameter_packs): Ditto.
>     * name-lookup.c (push_to_top_level): Make need_pop a bool value.

OK, thanks.

-- 
Mark Mitchell
CodeSourcery
mark@codesourcery.com
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