[Bug rtl-optimization/55346] var-tracking generates incomplete/inaccurate debug info

[eager at eagercon dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55346

--- Comment #4 from Michael Eager <eager at eagercon dot com> 2012-11-19 21:59:50 UTC ---
Confirmed fixed r193543 (2012-11-15).

gdb-7.5 (top of tree) displays argno correctly; gdb-7.3 does not.