diff -up ./src/3rdparty/chromium/BUILD.gn.gn32 ./src/3rdparty/chromium/BUILD.gn
--- ./src/3rdparty/chromium/BUILD.gn.gn32	2025-05-29 10:27:28.000000000 +0900
+++ ./src/3rdparty/chromium/BUILD.gn	2026-05-08 21:43:39.854387490 +0900
@@ -1704,7 +1704,8 @@ is_valid_x86_target =
 
 # Note: v8_target_cpu == arm allows using the V8 arm simulator on x86 for fuzzing.
 assert(
-    is_valid_x86_target || target_cpu != "x86" || v8_target_cpu == "arm",
+    #is_valid_x86_target || target_cpu != "x86" || v8_target_cpu == "arm",
+    is_valid_x86_target || target_cpu == "x86" || v8_target_cpu == "arm",
     "'target_cpu=x86' is not supported for 'target_os=$target_os'. Consider omitting 'target_cpu' (default) or using 'target_cpu=x64' instead.")
 
 group("chromium_builder_perf") {