[Bug tree-optimization/40556] [4.5 Regression] ICE in IPA-CP with recursion

["hubicka at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #4 from hubicka at gcc dot gnu dot org  2009-10-22 11:40 -------
Subject: Bug 40556

Author: hubicka
Date: Thu Oct 22 11:40:18 2009
New Revision: 153450

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=153450
Log:

        PR tree-optimize/40556                                                  
        * ipa-reference.c (has_proper_scope_for_analysis): Add fixme about
global vars.                                                                    
        (check_call): Handle only indirect calls.                               
        (propagate_bits): Update comment.                                       
        (write_node_summary_p): Turn bogus check to assert.                     
        (ipa_reference_write_summary): Stream calls_read_all properly.          
        (ipa_reference_read_summary): Stream in calls_read_all properly.        
        (read_write_all_from_decl): New function.                               
        (propagate): Handle OVERWRITABLE nodes and external calls here.         
        * ipa-pre-const.c (check_call): In IPA mode handle indirect calls       
        only.                                                                   
        (analyze_function): Do not check visibility here.                       
        (add_new_function): We summary OVERWRITABLE too.                        
        (generate_summary): Stream OVERWRITABLE nodes too.                      
        (propagate): Handle external calls and OVERWRITABLE nodes here.         
        (local_pure_const): Check visibility here.                              

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr40556.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-pure-const.c
    trunk/gcc/ipa-reference.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40556