Index: chromium-127.0.6533.72/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
===================================================================
--- chromium-127.0.6533.72.orig/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
+++ chromium-127.0.6533.72/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
@@ -374,7 +374,9 @@ bool SyscallSets::IsAllowedSignalHandlin
 #if defined(__i386__) || defined(__arm__) || \
     (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
     defined(__powerpc64__)
+#if !defined(__powerpc64__)
     case __NR_rt_sigtimedwait_time64:
+#endif
     case __NR_sigaction:
     case __NR_sigprocmask:
     case __NR_sigreturn: