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To: rth@redhat.com
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From: law@redhat.com
Subject: Your change causing regressions
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Date: Mon, 19 Jan 2004 22:18:00 -0000
X-SW-Source: 2004-01/txt/msg01394.txt.bz2


This change:




2004-01-18  Richard Henderson  <rth@redhat.com>
 
        * tree-sra.c (REALPART_INDEX, IMAGPART_INDEX): Remove.
        (sra_candidates, needs_copy_in): Use a bitmap.  Update all users.
        (struct sra_elt, sra_elt_hash, sra_elt_eq): New.
        (sra_map_size): Remove.
        (sra_map): Use a htab_t.
        (lookup_scalar): Update to match.
        (get_scalar_for_field, get_scalar_for_complex_part): Likewise.
        (scalarize_structure_assignment): Use annotate_all_with_locus.
        (csc_build_component_ref): Remove index argument.
        (csc_build_complex_part): Take tree_code, not index.
        (create_scalar_copies): Don't collect indicies.
        (emit_scalar_copies): New.
        (scalarize_modify_expr, scalarize_tree_list): Use it.
        (scalarize_return_expr): Likewise.
        (scalarize_structures): Simplify needs_copy_in iteration.
        (scalarize_call_expr): Use annotate_all_with_locus.
        (dump_sra_map_trav): Split from ...
        (dump_sra_map): ... here.  Update for hash table.
        (tree_sra): Update for new datastructures.


Is causing libstdc++ regressions.  Specifically:

FAIL: 27_io/basic_filebuf/underflow/wchar_t/9178.cc execution test