https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77444
Bug ID: 77444 Summary: Bogus assignments in cand_value_at Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: redi at gcc dot gnu.org Blocks: 77421 Target Milestone: --- From PR 77421 (In reply to Richard Biener from comment #11) > (In reply to Jonathan Wakely from comment #5) > > cand_value_at in tree-ssa-loop-ivopts.c does: > > > > tree type = TREE_TYPE (iv->base); > > tree steptype = type; > > if (POINTER_TYPE_P (type)) > > steptype = sizetype; > > steptype = unsigned_type_for (type); > > > > It's unclear why the last four lines aren't just: > > > > tree steptype = unsigned_type_for (type); > > it should be > > if (POINTER_TYPE_P (type)) > steptype = sizetype > else > steptype = unsigned_type_for (type); Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77421 [Bug 77421] Bugs found in GCC with the help of PVS-Studio