Commit d9c25ec672

@@ -1484,7 +1484,7 @@ fn varDecl(
                 init_scope.rl_ptr = try init_scope.addUnNode(.alloc, type_inst, node);
                 init_scope.rl_ty_inst = type_inst;
             } else {
-                const alloc = try init_scope.addUnNode(.alloc_inferred, undefined, node);
+                const alloc = try init_scope.addNode(.alloc_inferred, node);
                 resolve_inferred_alloc = alloc;
                 init_scope.rl_ptr = alloc;
             }
@@ -1559,7 +1559,7 @@ fn varDecl(
                 const alloc = try gz.addUnNode(.alloc_mut, type_inst, node);
                 break :a .{ .alloc = alloc, .result_loc = .{ .ptr = alloc } };
             } else a: {
-                const alloc = try gz.addUnNode(.alloc_inferred_mut, undefined, node);
+                const alloc = try gz.addNode(.alloc_inferred_mut, node);
                 resolve_inferred_alloc = alloc;
                 break :a .{ .alloc = alloc, .result_loc = .{ .inferred_ptr = alloc } };
             };

@@ -785,8 +785,8 @@ fn zirAllocInferred(
     const tracy = trace(@src());
     defer tracy.end();
 
-    const inst_data = sema.code.instructions.items(.data)[inst].un_node;
-    const src = inst_data.src();
+    const src_node = sema.code.instructions.items(.data)[inst].node;
+    const src: LazySrcLoc = .{ .node_offset = src_node };
 
     const val_payload = try sema.arena.create(Value.Payload.InferredAlloc);
     val_payload.* = .{

@@ -130,7 +130,7 @@ pub const Inst = struct {
         /// Same as `alloc` except mutable.
         alloc_mut,
         /// Same as `alloc` except the type is inferred.
-        /// The operand is unused.
+        /// Uses the `node` union field.
         alloc_inferred,
         /// Same as `alloc_inferred` except mutable.
         alloc_inferred_mut,
@@ -1577,8 +1577,6 @@ const Writer = struct {
 
             .alloc,
             .alloc_mut,
-            .alloc_inferred,
-            .alloc_inferred_mut,
             .indexable_ptr_len,
             .bit_not,
             .bool_not,
@@ -1745,6 +1743,8 @@ const Writer = struct {
             .ret_type,
             .repeat,
             .repeat_inline,
+            .alloc_inferred,
+            .alloc_inferred_mut,
             => try self.writeNode(stream, inst),
 
             .error_value,