https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95489
Bug ID: 95489 Summary: Failure to optimize x && (x & y) to x & y Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: gabravier at gmail dot com Target Milestone: --- int f(int x, int y) { return x && (x & y); } This can be optimized to `return x & y;` (see also the summary). This optimization is done by LLVM, but not by GCC.