Commit b85ef656ca

@@ -2647,6 +2647,17 @@ static IrInstruction *ir_build_coro_alloc_helper(IrBuilder *irb, Scope *scope, A
     return &instruction->base;
 }
 
+static IrInstruction *ir_build_add_implicit_return_type(IrBuilder *irb, Scope *scope, AstNode *source_node,
+        IrInstruction *value)
+{
+    IrInstructionAddImplicitReturnType *instruction = ir_build_instruction<IrInstructionAddImplicitReturnType>(irb, scope, source_node);
+    instruction->value = value;
+
+    ir_ref_instruction(value, irb->current_basic_block);
+
+    return &instruction->base;
+}
+
 static IrInstruction *ir_build_atomic_rmw(IrBuilder *irb, Scope *scope, AstNode *source_node,
         IrInstruction *operand_type, IrInstruction *ptr, IrInstruction *op, IrInstruction *operand,
         IrInstruction *ordering, AtomicRmwOp resolved_op, AtomicOrder resolved_ordering)

@@ -1146,6 +1146,12 @@ static void ir_print_coro_alloc_helper(IrPrint *irp, IrInstructionCoroAllocHelpe
     fprintf(irp->f, ")");
 }
 
+static void ir_print_add_implicit_return_type(IrPrint *irp, IrInstructionAddImplicitReturnType *instruction) {
+    fprintf(irp->f, "@addImplicitReturnType(");
+    ir_print_other_instruction(irp, instruction->value);
+    fprintf(irp->f, ")");
+}
+
 static void ir_print_atomic_rmw(IrPrint *irp, IrInstructionAtomicRmw *instruction) {
     fprintf(irp->f, "@atomicRmw(");
     if (instruction->operand_type != nullptr) {

@@ -168,10 +168,10 @@ test "listen on a port, send bytes, receive bytes" {
             var socket = *_socket; // TODO https://github.com/zig-lang/zig/issues/733
             defer socket.close();
             const next_handler = async errorableHandler(self, _addr, socket) catch |err| switch (err) {
-                error.OutOfMemory => return,
+                error.OutOfMemory => @panic("unable to handle connection: out of memory"),
             };
-            (await next_handler) catch |err| switch (err) {
-                
+            (await next_handler) catch |err| {
+                std.debug.panic("unable to handle connection: {}\n", err);
             };
             suspend |p| { cancel p; }
         }
@@ -184,7 +184,7 @@ test "listen on a port, send bytes, receive bytes" {
 
             var adapter = std.io.FileOutStream.init(&socket);
             var stream = &adapter.stream;
-            try stream.print("hello from server\n") catch unreachable;
+            try stream.print("hello from server\n");
         }
     };