Move UBSan warnings from a blacklist to the source

webrtc/modules/audio_coding/codecs/isac/fix/source/filterbanks_unittest.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include "webrtc/common_audio/signal_processing/include/signal_processing_library.h"
 #include "webrtc/modules/audio_coding/codecs/isac/fix/source/filterbank_internal.h"
 #include "webrtc/modules/audio_coding/codecs/isac/fix/source/filterbank_tables.h"
 #include "webrtc/modules/audio_coding/codecs/isac/fix/source/settings.h"
+#include "webrtc/rtc_base/sanitizer.h"
 #include "webrtc/system_wrappers/include/cpu_features_wrapper.h"
 #include "webrtc/test/gtest.h"
 #include "webrtc/typedefs.h"
 
 class FilterBanksTest : public testing::Test {
  protected:
   // Pass a function pointer to the Tester function.
-  void CalculateResidualEnergyTester(AllpassFilter2FixDec16
-                                     AllpassFilter2FixDec16Function) {
+  void RTC_NO_SANITIZE("signed-integer-overflow")  // bugs.webrtc.org/5513
+  CalculateResidualEnergyTester(AllpassFilter2FixDec16
+                                AllpassFilter2FixDec16Function) {
     const int kSamples = QLOOKAHEAD;
     const int kState = 2;
     int16_t data_ch1[kSamples] = {0};
     int16_t data_ch2[kSamples] = {0};
     int32_t state_ch1[kState] = {0};
     int32_t state_ch2[kState] = {0};
     const int32_t out_state_ch1[kState] = {-809122714, 1645972152};
     const int32_t out_state_ch2[kState] = {428019288, 1057309936};
     const int32_t out_data_ch1[kSamples] = {0, 0, 347, 10618, 16718, -7089,
         32767, 16913, 27042, 8377, -22973, -28372, -27603, -14804, 398, -25332,
         -11200, 18044, 25223, -6839, 1116, -23984, 32717, 7364};
     const int32_t out_data_ch2[kSamples] = {0, 0, 3010, 22351, 21106, 16969,
         -2095, -664, 3513, -30980, 32767, -23839, 13335, 20289, -6831, 339,
         -17207, 32767, 4959, 6177, 32767, 16599, -4747, 20504};
     int sign = 1;
 
     for (int i = 0; i < kSamples; i++) {
       sign *= -1;
       data_ch1[i] = sign * WEBRTC_SPL_WORD32_MAX / (i * i + 1);
       data_ch2[i] = sign * WEBRTC_SPL_WORD32_MIN / (i * i + 1);
+      // UBSan: -1 * -2147483648 cannot be represented in type 'int'
     };
 
     AllpassFilter2FixDec16Function(data_ch1,
                                    data_ch2,
                                    WebRtcIsacfix_kUpperApFactorsQ15,
                                    WebRtcIsacfix_kLowerApFactorsQ15,
                                    kSamples,
                                    state_ch1,
                                    state_ch2);
 
@@ skipping 40 matching lines @@
     in[i] = WEBRTC_SPL_WORD32_MAX / (i + 1);
   }
 
   WebRtcIsacfix_HighpassFilterFixDec32(in, kSamples,
       WebRtcIsacfix_kHPStCoeffOut1Q30, state);
 
   for (int i = 0; i < kSamples; i++) {
     EXPECT_EQ(out[i], in[i]);
   }
 }