gdb and binutils branch master updated. 70795c525e5b8ca5e9fb8ffbaf33a5f281d53320

[luisgpm at sourceware dot org]

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=70795c525e5b8ca5e9fb8ffbaf33a5f281d53320

commit 70795c525e5b8ca5e9fb8ffbaf33a5f281d53320
Author: Luis Machado <lgustavo@codesourcery.com>
Date:   Tue Jun 17 10:42:23 2014 +0100

    In a couple functions (type_update_when_use_rtti_test and
    skip_type_update_when_not_use_rtti_test) the testcase assumes an
    uninitialized object has a specific type. In particular, 'ptr' and
    's'.
    
    In reality the compiler is free to do what it wants with that
    uninitialized variable, even initialize it beforehand with the future
    assignment's value.  This is exactly what happens on some targets.
    
    ptr should have type 'Base *', but it really has type 'Derived *'
    because it is already initialized (earlier) by the compiler. The same
    thing happens to 's'.
    
    The following patch addresses this by explicitly initializing those
    variables so the compiler doesn't optimize their assignments and GDB
    can print their correct values.
    
    2014-06-17  Luis Machado  <lgustavo@codesourcery.com>
    
    	* gdb.mi/mi-var-rtti.cc (type_update_when_use_rtti_test):
    	Initialize ptr and S explicitly.
    	(skip_type_update_when_not_use_rtti_test): Likewise.

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

Summary of changes:
 gdb/testsuite/ChangeLog             |    6 ++++++
 gdb/testsuite/gdb.mi/mi-var-rtti.cc |   28 ++++++++++++++++------------
 2 files changed, 22 insertions(+), 12 deletions(-)


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