# HG changeset patch
# Parent  5df550d4b5fc674268055e504f60392389eb9ea7

Index: firefox-115.0/gfx/skia/skia/include/codec/SkEncodedOrigin.h
===================================================================
--- firefox-115.0.orig/gfx/skia/skia/include/codec/SkEncodedOrigin.h
+++ firefox-115.0/gfx/skia/skia/include/codec/SkEncodedOrigin.h
@@ -41,6 +41,7 @@ static inline SkMatrix SkEncodedOriginTo
         case  kLeftBottom_SkEncodedOrigin: return SkMatrix::MakeAll( 0,  1, 0, -1,  0, h, 0, 0, 1);
     }
     SK_ABORT("Unexpected origin");
+    SkUNREACHABLE;
 }
 
 /**
Index: firefox-115.0/gfx/skia/skia/include/private/gpu/ganesh/GrTypesPriv.h
===================================================================
--- firefox-115.0.orig/gfx/skia/skia/include/private/gpu/ganesh/GrTypesPriv.h
+++ firefox-115.0/gfx/skia/skia/include/private/gpu/ganesh/GrTypesPriv.h
@@ -325,6 +325,7 @@ static inline bool GrTextureTypeHasRestr
         default:
             SK_ABORT("Unexpected texture type");
     }
+    SkUNREACHABLE;
 }
 
 //////////////////////////////////////////////////////////////////////////////
Index: firefox-115.0/gfx/skia/skia/src/core/SkDescriptor.cpp
===================================================================
--- firefox-115.0.orig/gfx/skia/skia/src/core/SkDescriptor.cpp
+++ firefox-115.0/gfx/skia/skia/src/core/SkDescriptor.cpp
@@ -26,6 +26,7 @@ std::unique_ptr<SkDescriptor> SkDescript
 void SkDescriptor::operator delete(void* p) { ::operator delete(p); }
 void* SkDescriptor::operator new(size_t) {
     SK_ABORT("Descriptors are created with placement new.");
+    SkUNREACHABLE;
 }
 
 void SkDescriptor::flatten(SkWriteBuffer& buffer) const {
Index: firefox-115.0/gfx/skia/skia/src/core/SkGeometry.h
===================================================================
--- firefox-115.0.orig/gfx/skia/skia/src/core/SkGeometry.h
+++ firefox-115.0/gfx/skia/skia/src/core/SkGeometry.h
@@ -281,6 +281,7 @@ static inline bool SkCubicIsDegenerate(S
             return true;
     }
     SK_ABORT("Invalid SkCubicType");
+    SkUNREACHABLE;
 }
 
 static inline const char* SkCubicTypeName(SkCubicType type) {
@@ -293,6 +294,7 @@ static inline const char* SkCubicTypeNam
         case SkCubicType::kLineOrPoint: return "kLineOrPoint";
     }
     SK_ABORT("Invalid SkCubicType");
+    SkUNREACHABLE;
 }
 
 /** Returns the cubic classification.
Index: firefox-115.0/gfx/skia/skia/src/core/SkTextBlob.cpp
===================================================================
--- firefox-115.0.orig/gfx/skia/skia/src/core/SkTextBlob.cpp
+++ firefox-115.0/gfx/skia/skia/src/core/SkTextBlob.cpp
@@ -204,6 +204,7 @@ void SkTextBlob::operator delete(void* p
 
 void* SkTextBlob::operator new(size_t) {
     SK_ABORT("All blobs are created by placement new.");
+    SkUNREACHABLE;
 }
 
 void* SkTextBlob::operator new(size_t, void* p) {
Index: firefox-115.0/gfx/skia/skia/src/core/SkTypeface_remote.h
===================================================================
--- firefox-115.0.orig/gfx/skia/skia/src/core/SkTypeface_remote.h
+++ firefox-115.0/gfx/skia/skia/src/core/SkTypeface_remote.h
@@ -95,12 +95,14 @@ public:
     bool isLogging() const {return fIsLogging;}
 
 protected:
-    int onGetUPEM() const override { SK_ABORT("Should never be called."); }
+    int onGetUPEM() const override { SK_ABORT("Should never be called."); SkUNREACHABLE; }
     std::unique_ptr<SkStreamAsset> onOpenStream(int* ttcIndex) const override {
         SK_ABORT("Should never be called.");
+        SkUNREACHABLE;
     }
     sk_sp<SkTypeface> onMakeClone(const SkFontArguments& args) const override {
         SK_ABORT("Should never be called.");
+        SkUNREACHABLE;
     }
     bool onGlyphMaskNeedsCurrentColor() const override {
         return fGlyphMaskNeedsCurrentColor;
@@ -108,10 +110,12 @@ protected:
     int onGetVariationDesignPosition(SkFontArguments::VariationPosition::Coordinate coordinates[],
                                      int coordinateCount) const override {
         SK_ABORT("Should never be called.");
+        SkUNREACHABLE;
     }
     int onGetVariationDesignParameters(SkFontParameters::Variation::Axis parameters[],
                                        int parameterCount) const override {
         SK_ABORT("Should never be called.");
+        SkUNREACHABLE;
     }
     void onGetFamilyName(SkString* familyName) const override {
         // Used by SkStrikeCache::DumpMemoryStatistics.
@@ -119,15 +123,19 @@ protected:
     }
     bool onGetPostScriptName(SkString*) const override {
         SK_ABORT("Should never be called.");
+        SkUNREACHABLE;
     }
     SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const override {
         SK_ABORT("Should never be called.");
+        SkUNREACHABLE;
     }
     int onGetTableTags(SkFontTableTag tags[]) const override {
         SK_ABORT("Should never be called.");
+        SkUNREACHABLE;
     }
     size_t onGetTableData(SkFontTableTag, size_t offset, size_t length, void* data) const override {
         SK_ABORT("Should never be called.");
+        SkUNREACHABLE;
     }
     std::unique_ptr<SkScalerContext> onCreateScalerContext(
         const SkScalerContextEffects& effects, const SkDescriptor* desc) const override
@@ -141,20 +149,25 @@ protected:
     }
     void onGetFontDescriptor(SkFontDescriptor*, bool*) const override {
         SK_ABORT("Should never be called.");
+        SkUNREACHABLE;
     }
     void getGlyphToUnicodeMap(SkUnichar*) const override {
         SK_ABORT("Should never be called.");
+        SkUNREACHABLE;
     }
 
     void getPostScriptGlyphNames(SkString*) const override {
         SK_ABORT("Should never be called.");
+        SkUNREACHABLE;
     }
 
     std::unique_ptr<SkAdvancedTypefaceMetrics> onGetAdvancedMetrics() const override {
         SK_ABORT("Should never be called.");
+        SkUNREACHABLE;
     }
     void onCharsToGlyphs(const SkUnichar* chars, int count, SkGlyphID glyphs[]) const override {
         SK_ABORT("Should never be called.");
+        SkUNREACHABLE;
     }
     int onCountGlyphs() const override {
         return this->glyphCount();
@@ -162,6 +175,7 @@ protected:
 
     void* onGetCTFontRef() const override {
         SK_ABORT("Should never be called.");
+        SkUNREACHABLE;
     }
 
 private:
Index: firefox-115.0/gfx/skia/skia/src/effects/imagefilters/SkBlurImageFilter.cpp
===================================================================
--- firefox-115.0.orig/gfx/skia/skia/src/effects/imagefilters/SkBlurImageFilter.cpp
+++ firefox-115.0/gfx/skia/skia/src/effects/imagefilters/SkBlurImageFilter.cpp
@@ -815,6 +815,7 @@ sk_sp<SkSpecialImage> cpu_blur(
             return maker;
         }
         SK_ABORT("Sigma is out of range.");
+        SkUNREACHABLE;
     };
 
     PassMaker* makerX = makeMaker(sigma.x());
Index: firefox-115.0/gfx/skia/skia/src/fonts/SkFontMgr_indirect.cpp
===================================================================
--- firefox-115.0.orig/gfx/skia/skia/src/fonts/SkFontMgr_indirect.cpp
+++ firefox-115.0/gfx/skia/skia/src/fonts/SkFontMgr_indirect.cpp
@@ -69,6 +69,7 @@ void SkFontMgr_Indirect::onGetFamilyName
 
 SkFontStyleSet* SkFontMgr_Indirect::onCreateStyleSet(int index) const {
     SK_ABORT("Not implemented");
+    SkUNREACHABLE;
 }
 
 SkFontStyleSet* SkFontMgr_Indirect::onMatchFamily(const char familyName[]) const {
Index: firefox-115.0/gfx/skia/skia/src/ports/SkFontMgr_FontConfigInterface.cpp
===================================================================
--- firefox-115.0.orig/gfx/skia/skia/src/ports/SkFontMgr_FontConfigInterface.cpp
+++ firefox-115.0/gfx/skia/skia/src/ports/SkFontMgr_FontConfigInterface.cpp
@@ -162,18 +162,22 @@ public:
 protected:
     int onCountFamilies() const override {
         SK_ABORT("Not implemented.");
+	SkUNREACHABLE;
     }
 
     void onGetFamilyName(int index, SkString* familyName) const override {
         SK_ABORT("Not implemented.");
+	SkUNREACHABLE;
     }
 
     SkFontStyleSet* onCreateStyleSet(int index) const override {
         SK_ABORT("Not implemented.");
+	SkUNREACHABLE;
     }
 
     SkFontStyleSet* onMatchFamily(const char familyName[]) const override {
         SK_ABORT("Not implemented.");
+	SkUNREACHABLE;
     }
 
     SkTypeface* onMatchFamilyStyle(const char requestedFamilyName[],
Index: firefox-115.0/gfx/skia/skia/src/sksl/SkSLCompiler.cpp
===================================================================
--- firefox-115.0.orig/gfx/skia/skia/src/sksl/SkSLCompiler.cpp
+++ firefox-115.0/gfx/skia/skia/src/sksl/SkSLCompiler.cpp
@@ -277,6 +277,7 @@ std::unique_ptr<Expression> Compiler::co
         }
         default:
             SK_ABORT("unsupported symbol type %d\n", (int) result->kind());
+            SkUNREACHABLE;
     }
 }
 
Index: firefox-115.0/gfx/skia/skia/src/sksl/SkSLOperator.cpp
===================================================================
--- firefox-115.0.orig/gfx/skia/skia/src/sksl/SkSLOperator.cpp
+++ firefox-115.0/gfx/skia/skia/src/sksl/SkSLOperator.cpp
@@ -51,7 +51,7 @@ OperatorPrecedence Operator::getBinaryPr
         case Kind::BITWISEXOREQ: // fall through
         case Kind::BITWISEOREQ:  return OperatorPrecedence::kAssignment;
         case Kind::COMMA:        return OperatorPrecedence::kSequence;
-        default: SK_ABORT("unsupported binary operator");
+        default: SkUNREACHABLE;
     }
 }
 
Index: firefox-115.0/gfx/skia/skia/src/sksl/ir/SkSLType.h
===================================================================
--- firefox-115.0.orig/gfx/skia/skia/src/sksl/ir/SkSLType.h
+++ firefox-115.0/gfx/skia/skia/src/sksl/ir/SkSLType.h
@@ -422,6 +422,7 @@ public:
 
     virtual const std::vector<Field>& fields() const {
         SK_ABORT("Internal error: not a struct");
+        SkUNREACHABLE;
     }
 
     /**
Index: firefox-115.0/gfx/skia/skia/src/utils/SkShadowUtils.cpp
===================================================================
--- firefox-115.0.orig/gfx/skia/skia/src/utils/SkShadowUtils.cpp
+++ firefox-115.0/gfx/skia/skia/src/utils/SkShadowUtils.cpp
@@ -140,6 +140,7 @@ struct SpotVerticesFactory {
                 return true;
         }
         SK_ABORT("Uninitialized occluder type?");
+        SkUNREACHABLE;
     }
 
     sk_sp<SkVertices> makeVertices(const SkPath& path, const SkMatrix& ctm,
Index: firefox-115.0/intl/icu/source/i18n/number_rounding.cpp
===================================================================
--- firefox-115.0.orig/intl/icu/source/i18n/number_rounding.cpp
+++ firefox-115.0/intl/icu/source/i18n/number_rounding.cpp
@@ -283,6 +283,7 @@ FractionPrecision Precision::constructFr
     settings.fMaxFrac = static_cast<digits_t>(maxFrac);
     settings.fMinSig = -1;
     settings.fMaxSig = -1;
+    settings.fPriority = UNUM_ROUNDING_PRIORITY_RELAXED;
     PrecisionUnion union_;
     union_.fracSig = settings;
     return {RND_FRACTION, union_};
@@ -294,6 +295,7 @@ Precision Precision::constructSignifican
     settings.fMaxFrac = -1;
     settings.fMinSig = static_cast<digits_t>(minSig);
     settings.fMaxSig = static_cast<digits_t>(maxSig);
+    settings.fPriority = UNUM_ROUNDING_PRIORITY_RELAXED;
     PrecisionUnion union_;
     union_.fracSig = settings;
     return {RND_SIGNIFICANT, union_};
Index: firefox-115.0/js/src/irregexp/imported/regexp-parser.cc
===================================================================
--- firefox-115.0.orig/js/src/irregexp/imported/regexp-parser.cc
+++ firefox-115.0/js/src/irregexp/imported/regexp-parser.cc
@@ -2656,6 +2656,7 @@ bool MayContainStrings(ClassSetOperandTy
       if (operand->IsClassRanges()) return false;
       return operand->AsClassSetExpression()->may_contain_strings();
   }
+  UNREACHABLE();
 }
 
 }  // namespace
Index: firefox-115.0/third_party/libwebrtc/api/adaptation/resource.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/api/adaptation/resource.cc
+++ firefox-115.0/third_party/libwebrtc/api/adaptation/resource.cc
@@ -22,6 +22,7 @@ const char* ResourceUsageStateToString(R
       return "kUnderuse";
   }
   RTC_CHECK_NOTREACHED();
+  return nullptr;
 }
 
 ResourceListener::~ResourceListener() {}
Index: firefox-115.0/third_party/libwebrtc/api/rtp_parameters.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/api/rtp_parameters.cc
+++ firefox-115.0/third_party/libwebrtc/api/rtp_parameters.cc
@@ -32,6 +32,7 @@ const char* DegradationPreferenceToStrin
       return "balanced";
   }
   RTC_CHECK_NOTREACHED();
+  return "";
 }
 
 const double kDefaultBitratePriority = 1.0;
Index: firefox-115.0/third_party/libwebrtc/api/video/video_frame_buffer.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/api/video/video_frame_buffer.cc
+++ firefox-115.0/third_party/libwebrtc/api/video/video_frame_buffer.cc
@@ -106,6 +106,8 @@ const char* VideoFrameBufferTypeToString
     default:
       RTC_DCHECK_NOTREACHED();
   }
+  RTC_DCHECK_NOTREACHED();
+  return nullptr;
 }
 
 int I420BufferInterface::ChromaWidth() const {
Index: firefox-115.0/third_party/libwebrtc/api/video_codecs/video_codec.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/api/video_codecs/video_codec.cc
+++ firefox-115.0/third_party/libwebrtc/api/video_codecs/video_codec.cc
@@ -118,6 +118,7 @@ const char* CodecTypeToPayloadString(Vid
       return kPayloadNameGeneric;
   }
   RTC_CHECK_NOTREACHED();
+  return "";
 }
 
 VideoCodecType PayloadStringToCodecType(const std::string& name) {
Index: firefox-115.0/third_party/libwebrtc/api/video_codecs/video_encoder_software_fallback_wrapper.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/api/video_codecs/video_encoder_software_fallback_wrapper.cc
+++ firefox-115.0/third_party/libwebrtc/api/video_codecs/video_encoder_software_fallback_wrapper.cc
@@ -163,6 +163,7 @@ class VideoEncoderSoftwareFallbackWrappe
         return fallback_encoder_.get();
     }
     RTC_CHECK_NOTREACHED();
+    return nullptr;
   }
 
   // Updates encoder with last observed parameters, such as callbacks, rates,
@@ -343,6 +344,7 @@ int32_t VideoEncoderSoftwareFallbackWrap
       return fallback_encoder_->Encode(frame, frame_types);
   }
   RTC_CHECK_NOTREACHED();
+  return WEBRTC_VIDEO_CODEC_ERROR;
 }
 
 int32_t VideoEncoderSoftwareFallbackWrapper::EncodeWithMainEncoder(
Index: firefox-115.0/third_party/libwebrtc/call/adaptation/video_stream_adapter.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/call/adaptation/video_stream_adapter.cc
+++ firefox-115.0/third_party/libwebrtc/call/adaptation/video_stream_adapter.cc
@@ -168,6 +168,7 @@ const char* Adaptation::StatusToString(A
       return "kRejectedByConstraint";
   }
   RTC_CHECK_NOTREACHED();
+  return "";
 }
 
 Adaptation::Adaptation(int validation_id,
@@ -390,6 +391,7 @@ VideoStreamAdapter::RestrictionsOrState
       return Adaptation::Status::kAdaptationDisabled;
   }
   RTC_CHECK_NOTREACHED();
+  return Adaptation::Status::kAdaptationDisabled;
 }
 
 Adaptation VideoStreamAdapter::GetAdaptationDown() {
@@ -472,6 +474,7 @@ VideoStreamAdapter::GetAdaptationDownSte
       return Adaptation::Status::kAdaptationDisabled;
   }
   RTC_CHECK_NOTREACHED();
+  return Adaptation::Status::kAdaptationDisabled;
 }
 
 VideoStreamAdapter::RestrictionsOrState VideoStreamAdapter::DecreaseResolution(
@@ -625,6 +628,8 @@ Adaptation VideoStreamAdapter::GetAdaptD
     }
   }
   RTC_CHECK_NOTREACHED();
+  return RestrictionsOrStateToAdaptation(
+         Adaptation::Status::kAdaptationDisabled, input_state);
 }
 
 VideoStreamAdapter::RestrictionsOrState
Index: firefox-115.0/third_party/libwebrtc/call/rtp_payload_params.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/call/rtp_payload_params.cc
+++ firefox-115.0/third_party/libwebrtc/call/rtp_payload_params.cc
@@ -407,7 +407,7 @@ absl::optional<FrameDependencyStructure>
     case VideoCodecType::kVideoCodecMultiplex:
       return absl::nullopt;
   }
-  RTC_DCHECK_NOTREACHED() << "Unsupported codec.";
+  RTC_CHECK_NOTREACHED();
 }
 
 void RtpPayloadParams::GenericToGeneric(int64_t shared_frame_id,
Index: firefox-115.0/third_party/libwebrtc/call/video_send_stream.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/call/video_send_stream.cc
+++ firefox-115.0/third_party/libwebrtc/call/video_send_stream.cc
@@ -30,6 +30,7 @@ const char* StreamTypeToString(VideoSend
       return "flexfec";
   }
   RTC_CHECK_NOTREACHED();
+  return "";
 }
 
 }  // namespace
Index: firefox-115.0/third_party/libwebrtc/modules/audio_processing/agc2/clipping_predictor.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/modules/audio_processing/agc2/clipping_predictor.cc
+++ firefox-115.0/third_party/libwebrtc/modules/audio_processing/agc2/clipping_predictor.cc
@@ -378,7 +378,7 @@ std::unique_ptr<ClippingPredictor> Creat
           config.reference_window_delay, config.clipping_threshold,
           /*adaptive_step_estimation=*/false);
   }
-  RTC_DCHECK_NOTREACHED();
+  RTC_CHECK_NOTREACHED();
 }
 
 }  // namespace webrtc
Index: firefox-115.0/third_party/libwebrtc/modules/audio_processing/agc2/input_volume_stats_reporter.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/modules/audio_processing/agc2/input_volume_stats_reporter.cc
+++ firefox-115.0/third_party/libwebrtc/modules/audio_processing/agc2/input_volume_stats_reporter.cc
@@ -48,6 +48,7 @@ constexpr absl::string_view MetricNamePr
     case InputVolumeType::kRecommended:
       return "WebRTC.Audio.Apm.RecommendedInputVolume.";
   }
+  RTC_CHECK_NOTREACHED();
 }
 
 metrics::Histogram* CreateVolumeHistogram(InputVolumeType input_volume_type) {
Index: firefox-115.0/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_fc.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_fc.cc
+++ firefox-115.0/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/rnn_fc.cc
@@ -59,6 +59,8 @@ rtc::FunctionView<float(float)> GetActiv
     case ActivationFunction::kSigmoidApproximated:
       return ::rnnoise::SigmoidApproximated;
   }
+  // supposed to be never reached apparently therefore returning bogus
+  return ::rnnoise::TansigApproximated;
 }
 
 }  // namespace
Index: firefox-115.0/third_party/libwebrtc/modules/audio_processing/audio_processing_impl.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/modules/audio_processing/audio_processing_impl.cc
+++ firefox-115.0/third_party/libwebrtc/modules/audio_processing/audio_processing_impl.cc
@@ -99,6 +99,7 @@ GainControl::Mode Agc1ConfigModeToInterf
       return GainControl::kFixedDigital;
   }
   RTC_CHECK_NOTREACHED();
+  return GainControl::kAdaptiveAnalog;
 }
 
 bool MinimizeProcessingForUnusedOutput() {
@@ -166,7 +167,7 @@ int AudioFormatValidityToErrorCode(Audio
     case AudioFormatValidity::kInvalidChannelCount:
       return AudioProcessing::kBadNumberChannelsError;
   }
-  RTC_DCHECK(false);
+  RTC_CHECK_NOTREACHED();
 }
 
 // Returns an AudioProcessing::Error together with the best possible option for
@@ -2421,6 +2422,7 @@ void AudioProcessingImpl::InitializeNois
               return NsConfig::SuppressionLevel::k21dB;
           }
           RTC_CHECK_NOTREACHED();
+	  return NsConfig::SuppressionLevel::k6dB;
         };
 
     NsConfig cfg;
Index: firefox-115.0/third_party/libwebrtc/modules/audio_processing/include/audio_processing.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/modules/audio_processing/include/audio_processing.cc
+++ firefox-115.0/third_party/libwebrtc/modules/audio_processing/include/audio_processing.cc
@@ -32,6 +32,7 @@ std::string NoiseSuppressionLevelToStrin
       return "VeryHigh";
   }
   RTC_CHECK_NOTREACHED();
+  return "";
 }
 
 std::string GainController1ModeToString(const Agc1Config::Mode& mode) {
@@ -44,6 +45,7 @@ std::string GainController1ModeToString(
       return "FixedDigital";
   }
   RTC_CHECK_NOTREACHED();
+  return "";
 }
 
 }  // namespace
Index: firefox-115.0/third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_impl.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_impl.cc
+++ firefox-115.0/third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_impl.cc
@@ -53,6 +53,7 @@ std::string GetVadModeLabel(TransientSup
     case TransientSuppressor::VadMode::kNoVad:
       return "no VAD";
   }
+  RTC_CHECK_NOTREACHED();
 }
 
 }  // namespace
Index: firefox-115.0/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screencast_portal.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screencast_portal.cc
+++ firefox-115.0/third_party/libwebrtc/modules/desktop_capture/linux/wayland/screencast_portal.cc
@@ -44,6 +44,7 @@ ScreenCastPortal::CaptureSourceType Scre
     case CaptureType::kAnyScreenContent:
       return ScreenCastPortal::CaptureSourceType::kAnyScreenContent;
   }
+  RTC_CHECK_NOTREACHED();
 }
 
 ScreenCastPortal::ScreenCastPortal(CaptureType type, PortalNotifier* notifier)
Index: firefox-115.0/third_party/libwebrtc/modules/rtp_rtcp/source/create_video_rtp_depacketizer.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/modules/rtp_rtcp/source/create_video_rtp_depacketizer.cc
+++ firefox-115.0/third_party/libwebrtc/modules/rtp_rtcp/source/create_video_rtp_depacketizer.cc
@@ -38,6 +38,7 @@ std::unique_ptr<VideoRtpDepacketizer> Cr
       return std::make_unique<VideoRtpDepacketizerGeneric>();
   }
   RTC_CHECK_NOTREACHED();
+  return nullptr;
 }
 
 }  // namespace webrtc
Index: firefox-115.0/third_party/libwebrtc/modules/rtp_rtcp/source/rtp_sender.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/modules/rtp_rtcp/source/rtp_sender.cc
+++ firefox-115.0/third_party/libwebrtc/modules/rtp_rtcp/source/rtp_sender.cc
@@ -142,6 +142,7 @@ bool IsNonVolatile(RTPExtensionType type
 #endif
   }
   RTC_CHECK_NOTREACHED();
+  return false;
 }
 
 bool HasBweExtension(const RtpHeaderExtensionMap& extensions_map) {
Index: firefox-115.0/third_party/libwebrtc/modules/rtp_rtcp/source/rtp_sender_audio.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/modules/rtp_rtcp/source/rtp_sender_audio.cc
+++ firefox-115.0/third_party/libwebrtc/modules/rtp_rtcp/source/rtp_sender_audio.cc
@@ -45,6 +45,7 @@ namespace {
       return "audio_cn";
   }
   RTC_CHECK_NOTREACHED();
+  return "";
 }
 
 constexpr char kIncludeCaptureClockOffset[] =
Index: firefox-115.0/third_party/libwebrtc/modules/video_coding/codecs/vp8/default_temporal_layers.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/modules/video_coding/codecs/vp8/default_temporal_layers.cc
+++ firefox-115.0/third_party/libwebrtc/modules/video_coding/codecs/vp8/default_temporal_layers.cc
@@ -110,6 +110,7 @@ size_t BufferToIndex(Vp8BufferReference
     case Vp8FrameConfig::Vp8BufferReference::kNone:
       RTC_CHECK_NOTREACHED();
   }
+  RTC_CHECK_NOTREACHED();
 }
 
 }  // namespace
Index: firefox-115.0/third_party/libwebrtc/modules/video_coding/codecs/vp8/temporal_layers_checker.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/modules/video_coding/codecs/vp8/temporal_layers_checker.cc
+++ firefox-115.0/third_party/libwebrtc/modules/video_coding/codecs/vp8/temporal_layers_checker.cc
@@ -30,6 +30,7 @@ TemporalLayersChecker::CreateTemporalLay
       return std::make_unique<TemporalLayersChecker>(num_temporal_layers);
   }
   RTC_CHECK_NOTREACHED();
+  return nullptr;
 }
 
 TemporalLayersChecker::TemporalLayersChecker(int num_temporal_layers)
Index: firefox-115.0/third_party/libwebrtc/video/adaptation/video_stream_encoder_resource_manager.cc
===================================================================
--- firefox-115.0.orig/third_party/libwebrtc/video/adaptation/video_stream_encoder_resource_manager.cc
+++ firefox-115.0/third_party/libwebrtc/video/adaptation/video_stream_encoder_resource_manager.cc
@@ -63,6 +63,7 @@ std::string ToString(VideoAdaptationReas
       return "cpu";
   }
   RTC_CHECK_NOTREACHED();
+  return "";
 }
 
 std::vector<bool> GetActiveLayersFlags(const VideoCodec& codec) {