Revert of Roll Clang 223108:230914

sandbox/linux/integration_tests/bpf_dsl_seccomp_unittest.cc

Index: sandbox/linux/integration_tests/bpf_dsl_seccomp_unittest.cc
diff --git a/sandbox/linux/integration_tests/bpf_dsl_seccomp_unittest.cc b/sandbox/linux/integration_tests/bpf_dsl_seccomp_unittest.cc
index 8e7e144bd514113516b7073d13ecd8f7643b040d..2d337c6ec97695cf6cedff533fe6ce0547b5c8db 100644
--- a/sandbox/linux/integration_tests/bpf_dsl_seccomp_unittest.cc
+++ b/sandbox/linux/integration_tests/bpf_dsl_seccomp_unittest.cc
@@ -651,10 +651,6 @@
   return UnsafeTrap(AllowRedirectedSyscall, NULL);
 }
 
-#if !defined(ADDRESS_SANITIZER)
-// ASan does not allow changing the signal handler for SIGBUS, and treats it as
-// a fatal signal.
-
 int bus_handler_fd_ = -1;
 
 void SigBusHandler(int, siginfo_t* info, void* void_context) {
@@ -683,7 +679,6 @@
   BPF_ASSERT(close(fds[1]) == 0);
   BPF_ASSERT(c == 0x55);
 }
-#endif  // !defined(ADDRESS_SANITIZER)
 
 BPF_TEST_C(SandboxBPF, SigMask, RedirectAllSyscallsPolicy) {
   // Signal masks are potentially tricky to handle. For instance, if we