[Bug bootstrap/69123] [6 Regression] --with-build-config='bootstrap-O3 bootstrap-debug' miscompiled stage 2

[aoliva at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69123

--- Comment #16 from Alexandre Oliva <aoliva at gcc dot gnu.org> ---
Author: aoliva
Date: Mon Jan 11 10:40:12 2016
New Revision: 232217

URL: https://gcc.gnu.org/viewcvs?rev=232217&root=gcc&view=rev
Log:
[PR69123] make dataflow_set_different details more verbose

for  gcc/ChangeLog

        PR bootstrap/69123
        * var-tracking.c (dump_onepart_variable_differences): New.
        (dataflow_set_different): If a detailed dump is requested,
        delay early returns and dump differences between onepart
        variables present before and after, and added variables.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/var-tracking.c