[Bug middle-end/50966] [4.4/4.5/4.6/4.7 Regression] Missing 'is used uninitialized' warning (struct pointer dereference)

2011-11-02 Thread manu at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50966 --- Comment #1 from Manuel López-Ibáñez manu at gcc dot gnu.org 2011-11-02 19:19:39 UTC --- Well, it did fix one of the oldest false positives in GCC: PR middle-end/179 * tree-ssa.c (warn_uninit): Do not warn for variables that

[Bug middle-end/50966] [4.4/4.5/4.6/4.7 Regression] Missing 'is used uninitialized' warning (struct pointer dereference)

2011-11-02 Thread manu at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50966 --- Comment #2 from Manuel López-Ibáñez manu at gcc dot gnu.org 2011-11-02 19:24:44 UTC --- BTW, this could actually be a duplicate of PR19430, if bar uninitialized use appears in a PHI op. One would need to look at the dumps and put a breakpoint

[Bug middle-end/50966] [4.4/4.5/4.6/4.7 Regression] Missing 'is used uninitialized' warning (struct pointer dereference)

2011-11-02 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50966 Richard Guenther rguenth at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |WAITING

[Bug middle-end/50966] [4.4/4.5/4.6/4.7 Regression] Missing 'is used uninitialized' warning (struct pointer dereference)

2011-11-02 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50966 --- Comment #4 from Richard Guenther rguenth at gcc dot gnu.org 2011-11-02 21:03:16 UTC --- Btw, I'm talking about the fix for PR50040.

[Bug middle-end/50966] [4.4/4.5/4.6/4.7 Regression] Missing 'is used uninitialized' warning (struct pointer dereference)

2011-11-02 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50966 Richard Guenther rguenth at gcc dot gnu.org changed: What|Removed |Added CC||rguenth at