diff --git a/build/config/compiler/BUILD.gn b/build/config/compiler/BUILD.gn
index 6181c1da424..18603ade947 100644
--- a/build/config/compiler/BUILD.gn
+++ b/build/config/compiler/BUILD.gn
@@ -687,6 +687,7 @@ if (is_win) {
   } else {
     default_warning_flags += [
       "-Wno-ignored-qualifiers",  # Warnings in BoringSSL headers
+      "-Wno-stringop-overflow",  # ICU in gcc 16
     ]
     if (is_tsan && current_cpu == "riscv64") {
       default_warning_flags += [
diff --git a/runtime/vm/object_graph_copy.cc b/runtime/vm/object_graph_copy.cc
index 5e16127e42f..4a35a5d4a5c 100644
--- a/runtime/vm/object_graph_copy.cc
+++ b/runtime/vm/object_graph_copy.cc
@@ -1249,6 +1249,7 @@ class RetainingPath {
         // accommodate short chains Closure -> Context -> instance.
         saved_context_object_index = -1;
         saved_context_depth = -1;
+        USE(saved_context_depth);
       }
       // Add library url to the location if library is available.
       library = klass.library();
diff --git a/third_party/binaryen/BUILD.gn b/third_party/binaryen/BUILD.gn
index bd2cabb7475..d06aecdc5dc 100644
--- a/third_party/binaryen/BUILD.gn
+++ b/third_party/binaryen/BUILD.gn
@@ -28,6 +28,7 @@ config("binaryen_flags") {
     } else {
       # GCC
       cflags += [
+        "-Wno-array-bounds",
         "-Wno-dangling-pointer",
         "-Wno-deprecated",
         "-Wno-init-list-lifetime",