https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82203
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Known to work| |4.8.5 Keywords| |diagnostic Last reconfirmed| |2017-09-13 Blocks| |24639 Ever confirmed|0 |1 Summary|[4.9/5/6/7/8 regression] |[5/6/7/8 regression] |missing |missing |-Wmaybe-uninitialized |-Wmaybe-uninitialized |warning with tree-vrp |warning with tree-vrp Target Milestone|--- |5.5 Known to fail| |8.0 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- We're just better in optimization as we figure that err is either uninitialized, zero or the f return value. And we now optimistically merge uninitialized with zero. Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24639 [Bug 24639] [meta-bug] bug to track all Wuninitialized issues