--- a/src/google/protobuf/port_def.inc 2025-06-02 14:48:16.547634929 +0800 +++ b/src/google/protobuf/port_def.inc 2025-06-02 14:51:10.612262509 +0800 @@ -236,6 +236,7 @@ #endif #if ABSL_HAVE_CPP_ATTRIBUTE(clang::musttail) && !defined(__arm__) && \ !defined(_ARCH_PPC) && !defined(__wasm__) && \ + !(defined(__GNUC__) && __GNUC__ >= 15) && \ !(defined(_MSC_VER) && defined(_M_IX86)) && !defined(__i386__) // Compilation fails on ARM32: b/195943306 // Compilation fails on powerpc64le: b/187985113