[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.5-84-gd20a83f

[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.5-84-gd20a83f

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- Log -----------------------------------------------------------------
commit d20a83f835752982845ab78f8451ee00021a0049
Author: Stan Cox <scox@redhat.com>
Date:   Thu Jul 7 21:41:14 2011 -0400

    PR6954 Do automatic global printing for RMW operands.
    
    * staptree.h (current_lvalue_read):  New.
    * staptree.cxx (varuse_collecting_visitor::visit_symbol): Do not
       treat an RMW symbol as read if the value is not a real rvalue.
      (varuse_collecting_visitor::visit_print_format): Handle current_lvalue_read.
      (varuse_collecting_visitor::visit_assignment): Likewise.
      (varuse_collecting_visitor::visit_delete_statement): Likewise.
    
    * global_end.exp (global_end_var): Test RMW cases.
    * global_end.stp (global_end_var): Likewise.

-----------------------------------------------------------------------

Summary of changes:
 staptree.cxx                                |   24 ++++++++--
 staptree.h                                  |    2 +
 testsuite/systemtap.base/global_end.exp     |   18 +++++---
 testsuite/systemtap.base/global_end_var.stp |   61 +++++++++++++++++++++++----
 4 files changed, 86 insertions(+), 19 deletions(-)


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