pub fn castConst(self: *Builder, tag: Constant.Tag, val: Constant, ty: Type) Allocator.Error!Constant
pub fn castConst(self: *Builder, tag: Constant.Tag, val: Constant, ty: Type) Allocator.Error!Constant { try self.ensureUnusedConstantCapacity(1, Constant.Cast, 0); return self.castConstAssumeCapacity(tag, val, ty); }