[Opus] Update to v1.2.1

third_party/opus/src/tests/test_opus_common.h

 /* Copyright (c) 2011 Xiph.Org Foundation
    Written by Gregory Maxwell */
 /*
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:
 
    - Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
 
@@ skipping 46 matching lines @@
 static OPUS_INLINE opus_uint32 fast_rand(void)
 {
   Rz=36969*(Rz&65535)+(Rz>>16);
   Rw=18000*(Rw&65535)+(Rw>>16);
   return (Rz<<16)+Rw;
 }
 static opus_uint32 iseed;
 
 #ifdef __GNUC__
 __attribute__((noreturn))
+#elif defined(_MSC_VER)
+__declspec(noreturn)
 #endif
 static OPUS_INLINE void _test_failed(const char *file, int line)
 {
   fprintf(stderr,"\n ***************************************************\n");
   fprintf(stderr," ***         A fatal error was detected.         ***\n");
   fprintf(stderr," ***************************************************\n");
   fprintf(stderr,"Please report this failure and include\n");
   fprintf(stderr,"'make check SEED=%u fails %s at line %d for %s'\n",iseed,file,line,opus_get_version_string());
   fprintf(stderr,"and any relevant details about your system.\n\n");
   abort();
 }
 #define test_failed() _test_failed(__FILE__, __LINE__);
+
+void regression_test(void);