[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.7-80-g4d51e8c

[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.7-80-g4d51e8c

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- Log -----------------------------------------------------------------
commit 4d51e8ca64dd4f780781a1280bc7887acc822b33
Author: Mark Wielaard <mjw@redhat.com>
Date:   Wed Mar 7 13:35:56 2012 +0100

    PR10622. Better workaround for GCC PR51410. Find external var DIE location.
    
    Some GCC versions would output duplicate external variables, one
    without a location attribute. If so, try to find the other if it
    exists in the same scope. This is a better solution than the previous
    fallback solution of just trying to get the address in the symbol table.
    That could result in picking the wrong external variable with the same
    name (but from a different CU). Add test case to show this works better.

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

Summary of changes:
 dwflpp.cxx                                     |   30 ++++++++++++++++
 testsuite/systemtap.base/global_var.exp        |   44 ++++++++++++++++++++++++
 testsuite/systemtap.base/global_var.stp        |   14 +++++++
 testsuite/systemtap.base/global_var_distance.c |    4 ++
 testsuite/systemtap.base/global_var_main.c     |   30 ++++++++++++++++
 testsuite/systemtap.base/global_var_speed.c    |    4 ++
 6 files changed, 126 insertions(+), 0 deletions(-)
 create mode 100644 testsuite/systemtap.base/global_var.exp
 create mode 100644 testsuite/systemtap.base/global_var.stp
 create mode 100644 testsuite/systemtap.base/global_var_distance.c
 create mode 100644 testsuite/systemtap.base/global_var_main.c
 create mode 100644 testsuite/systemtap.base/global_var_speed.c


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