src/Sema.zig                                                | 573 +++++++++++++++++++-------------
 test/cases/safety/modrem by zero.zig                        |  20 ++
 test/cases/safety/modulus by zero.zig                       |  20 ++
 test/cases/safety/remainder division by negative number.zig |  20 --
 test/cases/safety/remainder division by zero.zig            |  20 ++
 5 files changed, 399 insertions(+), 254 deletions(-)