lib/std/builtin.zig                     |  1 +
 src/Sema.zig                            | 34 +++++++++++++++++++++++++++++---
 src/codegen/llvm.zig                    |  1 -
 test/cases/safety/noreturn returned.zig | 23 +++++++++++++++++++++
 4 files changed, 55 insertions(+), 4 deletions(-)