Disable llvm_link_time_opt.swift test under ASan (#39325)

Author: kubamracek

test/Interpreter/llvm_link_time_opt.swift

@@ -3,6 +3,11 @@
 
 // REQUIRES: lld_lto
 
+// For LTO, the linker dlopen()'s the libLTO library, which is a scenario that
+// ASan cannot work in ("Interceptors are not working, AddressSanitizer is
+// loaded too late").
+// REQUIRES: no_asan
+
 // RUN: %empty-directory(%t)
 // RUN: %target-swiftc_driver -emit-library -static -lto=llvm-full %lto_flags -emit-module %S/Inputs/lto/module1.swift -working-directory %t
 // RUN: %target-swiftc_driver -lto=llvm-full %lto_flags %s -I%t -L%t -lmodule1 -module-name main -o %t/main