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Subject: [Bug debug/47106] -fcompare-debug failure (length) with  -fpartial-inlining -flto -fconserve-stack
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47106

--- Comment #15 from Jan Hubicka <hubicka at gcc dot gnu.org> 2011-02-17 16:18:34 UTC ---
Author: hubicka
Date: Thu Feb 17 16:18:24 2011
New Revision: 170249

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170249
Log:

    PR debug/47106
    PR debug/47402
    * cfgexpand.c (account_used_vars_for_block): Remove.
    (estimated_stack_frame_size): Use referenced vars.
    * tree-inline.c (remap_decl): Only mark VAR_DECLs as referenced
    that were referenced in the original function.  Test src_fn
    rather than cfun.  Drop redundant get_var_ann.
    (setup_one_parameter): Drop redundant get_var_ann.
    (declare_return_variable): Likewise.
    (copy_decl_for_dup_finish): Mark VAR_DECLs referenced in src_fn.
    (copy_arguments_for_versioning): Drop redundant get_var_ann.
    * ipa-inline.c (compute_inline_parameters): Do not compute
    disregard_inline_limits here.
    are not available.
    (compute_inlinable_for_current, pass_inlinable): New.
    (pass_inline_parameters): Require PROP_referenced_vars.
    * cgraphunit.c (cgraph_process_new_functions): Don't run
    compute_inline_parameters explicitly unless function is in
    SSA form.
    (cgraph_analyze_function): Set .disregard_inline_limits.
    * tree-sra.c (convert_callers): Compute inliner parameters
    only for functions already in SSA form.
    * g++.dg/debug/pr47106.C: New.

Added:
    trunk/gcc/testsuite/g++.dg/debug/pr47106.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgexpand.c
    trunk/gcc/cgraphunit.c
    trunk/gcc/ipa-inline.c
    trunk/gcc/passes.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-inline.c
    trunk/gcc/tree-sra.c