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[Bug breakpoints/20653] string_to_explicit_location has some weird code


https://sourceware.org/bugzilla/show_bug.cgi?id=20653

--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The gdb-7.12-branch branch has been updated by Yao Qi <qiyao@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=909de2c5cc91b815d671f7018da2a925fbd19aaf

commit 909de2c5cc91b815d671f7018da2a925fbd19aaf
Author: Tom Tromey <tom@tromey.com>
Date:   Mon Oct 24 12:06:39 2016 +0100

    PR gdb/20653 - small cleanup in string_to_explicit_location

    This bug points out that string_to_explicit_location compares a char*
    against '\0'; whereas comparing against NULL is more normal.

    2016-10-24  Tom Tromey  <tom@tromey.com>

        PR breakpoints/20653:
        * location.c (string_to_explicit_location): Use NULL, not '\0'.

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