gdb and binutils branch master updated. ee7615e1f3384c36e41fdf176abdabf8f21d1505

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ee7615e1f3384c36e41fdf176abdabf8f21d1505

commit ee7615e1f3384c36e41fdf176abdabf8f21d1505
Author: Andreas Arnez <arnez at linux dot vnet dot ibm dot com>
Date:   Tue Nov 12 18:03:54 2013 +0100

    Fix GDB crash with upstream GCC due to qsort(NULL, ...)
    
    Upstream GCC's new pass '-fisolate-erroneous-paths' may introduce
    traps at places where GCC has determined undefined behavior, e.g. when
    passing a NULL pointer to a function that defines this argument as
    __attribute__(__nonnull__(...)).  In particular this applies to
    uniquify_strings(), because it invokes qsort() with NULL when the
    'strings' vector is empty.  I hit this problem on s390x when trying to
    execute "break main" on a C program.
    
    gdb/
    2013-11-12  Andreas Arnez  <arnez@linux.vnet.ibm.com>
    
    	* objc-lang.c (uniquify_strings): Prevent invoking qsort with
    	NULL.

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

Summary of changes:
 gdb/ChangeLog   |    5 +++++
 gdb/objc-lang.c |    5 +++++
 2 files changed, 10 insertions(+), 0 deletions(-)


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