change uses of std.builtin.Mode to OptimizeMode (#16745)

std.builtin.Mode is deprecated.

1 files changed, 2 insertions, 2 deletions

diff --git a/tools/docgen.zig b/tools/docgen.zig
index 589a148182..e3a6aecabe 100644
--- a/tools/docgen.zig
+++ b/tools/docgen.zig
@@ -323,7 +323,7 @@ const Code = struct {
     name: []const u8,
     source_token: Token,
     just_check_syntax: bool,
-    mode: std.builtin.Mode,
+    mode: std.builtin.OptimizeMode,
     link_objects: []const []const u8,
     target_str: ?[]const u8,
     link_libc: bool,
@@ -589,7 +589,7 @@ fn genToc(allocator: Allocator, tokenizer: *Tokenizer) !Toc {
                         return parseError(tokenizer, code_kind_tok, "unrecognized code kind: {s}", .{code_kind_str});
                     }
 
-                    var mode: std.builtin.Mode = .Debug;
+                    var mode: std.builtin.OptimizeMode = .Debug;
                     var link_objects = std.ArrayList([]const u8).init(allocator);
                     defer link_objects.deinit();
                     var target_str: ?[]const u8 = null;