diff -rup firefox-80.0.1.orig/gfx/skia/skia/include/codec/SkEncodedOrigin.h firefox-80.0.1/gfx/skia/skia/include/codec/SkEncodedOrigin.h

--- firefox-80.0.1.orig/gfx/skia/skia/include/codec/SkEncodedOrigin.h	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/include/codec/SkEncodedOrigin.h	2020-09-05 17:20:04.093066839 +0200

@@ -41,6 +41,7 @@ static inline SkMatrix SkEncodedOriginTo

         case  kLeftBottom_SkEncodedOrigin: return SkMatrix::MakeAll( 0,  1, 0, -1,  0, w, 0, 0, 1);

     }

     SK_ABORT("Unexpected origin");

+    SkUNREACHABLE;

 }

diff -rup firefox-80.0.1.orig/gfx/skia/skia/include/private/GrTypesPriv.h firefox-80.0.1/gfx/skia/skia/include/private/GrTypesPriv.h

--- firefox-80.0.1.orig/gfx/skia/skia/include/private/GrTypesPriv.h	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/include/private/GrTypesPriv.h	2020-09-05 16:27:55.719487864 +0200

@@ -540,6 +540,7 @@ static inline GrSLType GrSLCombinedSampl

         default:

             SK_ABORT("Unexpected texture type");

     }

+    SkUNREACHABLE;

 }

 /** Rectangle and external textures only support the clamp wrap mode and do not support

@@ -556,6 +557,7 @@ static inline bool GrTextureTypeHasRestr

         default:

             SK_ABORT("Unexpected texture type");

     }

+    SkUNREACHABLE;

 }

 static constexpr bool GrSLTypeIsCombinedSamplerType(GrSLType type) {

@@ -858,6 +860,7 @@ static inline size_t GrCompressedFormatD

     }

     SK_ABORT("Invalid pixel config");

+    SkUNREACHABLE;

 }

 /**

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/core/SkGeometry.h firefox-80.0.1/gfx/skia/skia/src/core/SkGeometry.h

--- firefox-80.0.1.orig/gfx/skia/skia/src/core/SkGeometry.h	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/core/SkGeometry.h	2020-09-05 17:33:51.896635366 +0200

@@ -182,6 +182,7 @@ static inline bool SkCubicIsDegenerate(S

             return true;

     }

     SK_ABORT("Invalid SkCubicType");

+    SkUNREACHABLE;

 }

 static inline const char* SkCubicTypeName(SkCubicType type) {

@@ -194,6 +195,7 @@ static inline const char* SkCubicTypeNam

         case SkCubicType::kLineOrPoint: return "kLineOrPoint";

     }

     SK_ABORT("Invalid SkCubicType");

+    SkUNREACHABLE;

 }

 /** Returns the cubic classification.

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/core/SkTextBlob.cpp firefox-80.0.1/gfx/skia/skia/src/core/SkTextBlob.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/core/SkTextBlob.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/core/SkTextBlob.cpp	2020-09-05 17:33:19.028493560 +0200

@@ -201,6 +201,7 @@ 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) {

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/core/SkTypeface_remote.cpp firefox-80.0.1/gfx/skia/skia/src/core/SkTypeface_remote.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/core/SkTypeface_remote.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/core/SkTypeface_remote.cpp	2020-09-05 17:33:09.424452127 +0200

@@ -29,6 +29,7 @@ void SkScalerContextProxy::initCache(SkS

 unsigned SkScalerContextProxy::generateGlyphCount()  {

     SK_ABORT("Should never be called.");

+    SkUNREACHABLE;

 }

 bool SkScalerContextProxy::generateAdvance(SkGlyph* glyph) {

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/core/SkTypeface_remote.h firefox-80.0.1/gfx/skia/skia/src/core/SkTypeface_remote.h

--- firefox-80.0.1.orig/gfx/skia/skia/src/core/SkTypeface_remote.h	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/core/SkTypeface_remote.h	2020-09-05 17:34:55.424909478 +0200

@@ -63,23 +63,28 @@ 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;

     }

     std::unique_ptr<SkFontData> onMakeFontData() 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;

     }

     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.

@@ -87,12 +92,15 @@ protected:

     }

     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;

     }

     SkScalerContext* onCreateScalerContext(const SkScalerContextEffects& effects,

                                            const SkDescriptor* desc) const override {

@@ -116,6 +124,7 @@ protected:

     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.");

@@ -126,6 +135,7 @@ protected:

     void* onGetCTFontRef() const override {

         SK_ABORT("Should never be called.");

+	SkUNREACHABLE;

     }

 private:

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/effects/imagefilters/SkBlurImageFilter.cpp firefox-80.0.1/gfx/skia/skia/src/effects/imagefilters/SkBlurImageFilter.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/effects/imagefilters/SkBlurImageFilter.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/effects/imagefilters/SkBlurImageFilter.cpp	2020-09-05 17:35:26.657044250 +0200

@@ -144,6 +144,7 @@ static GrTextureDomain::Mode to_texture_

             return GrTextureDomain::kRepeat_Mode;

         default:

             SK_ABORT("Unsupported tile mode.");

+	    SkUNREACHABLE;

     }

 }

 #endif

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/effects/imagefilters/SkLightingImageFilter.cpp firefox-80.0.1/gfx/skia/skia/src/effects/imagefilters/SkLightingImageFilter.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/effects/imagefilters/SkLightingImageFilter.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/effects/imagefilters/SkLightingImageFilter.cpp	2020-09-05 17:35:30.841062305 +0200

@@ -1701,6 +1701,7 @@ static SkImageFilterLight* create_random

         }

         default:

             SK_ABORT("Unexpected value.");

+	    SkUNREACHABLE;

     }

 }

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/fonts/SkFontMgr_indirect.cpp firefox-80.0.1/gfx/skia/skia/src/fonts/SkFontMgr_indirect.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/fonts/SkFontMgr_indirect.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/fonts/SkFontMgr_indirect.cpp	2020-09-05 17:35:41.193106978 +0200

@@ -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 {

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/GrDataUtils.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/GrDataUtils.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/GrDataUtils.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/GrDataUtils.cpp	2020-09-05 17:26:21.958694975 +0200

@@ -128,6 +128,7 @@ size_t GrCompressedDataSize(SkImage::Com

             return numBlocks * sizeof(ETC1Block);

     }

     SK_ABORT("Unexpected compression type");

+    SkUNREACHABLE;

 }

 size_t GrCompressedRowBytes(SkImage::CompressionType type, int width) {

@@ -137,6 +138,7 @@ size_t GrCompressedRowBytes(SkImage::Com

             return numBlocksWidth * sizeof(ETC1Block);

     }

     SK_ABORT("Unexpected compression type");

+    SkUNREACHABLE;

 }

 // Fill in 'dest' with ETC1 blocks derived from 'colorf'

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/GrFragmentProcessor.h firefox-80.0.1/gfx/skia/skia/src/gpu/GrFragmentProcessor.h

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/GrFragmentProcessor.h	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/GrFragmentProcessor.h	2020-09-05 17:26:07.414632282 +0200

@@ -375,6 +375,7 @@ protected:

 private:

     virtual SkPMColor4f constantOutputForConstantInput(const SkPMColor4f& /* inputColor */) const {

         SK_ABORT("Subclass must override this if advertising this optimization.");

+	SkUNREACHABLE;

     }

     /** Returns a new instance of the appropriate *GL* implementation class

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/GrPathRendering.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/GrPathRendering.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/GrPathRendering.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/GrPathRendering.cpp	2020-09-05 17:28:44.215308274 +0200

@@ -19,6 +19,7 @@ const GrUserStencilSettings& GrPathRende

     switch (fill) {

         default:

             SK_ABORT("Unexpected path fill.");

+	    SkUNREACHABLE;

         case GrPathRendering::kWinding_FillType: {

             constexpr static GrUserStencilSettings kWindingStencilPass(

                 GrUserStencilSettings::StaticInit<

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/GrPathRendering.h firefox-80.0.1/gfx/skia/skia/src/gpu/GrPathRendering.h

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/GrPathRendering.h	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/GrPathRendering.h	2020-09-05 17:28:31.247252358 +0200

@@ -63,6 +63,7 @@ public:

             default:

                 SK_ABORT("Unknown path transform type");

+		SkUNREACHABLE;

         }

     }

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/GrProcessorUnitTest.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/GrProcessorUnitTest.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/GrProcessorUnitTest.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/GrProcessorUnitTest.cpp	2020-09-05 17:21:37.549469393 +0200

@@ -20,6 +20,7 @@ std::unique_ptr<GrFragmentProcessor> GrP

     return fp;

 #else

     SK_ABORT("Should not be called if !SK_ALLOW_STATIC_GLOBAL_INITIALIZERS");

+    SkUNREACHABLE;

 #endif

 }

 #endif

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/GrReducedClip.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/GrReducedClip.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/GrReducedClip.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/GrReducedClip.cpp	2020-09-05 17:28:39.151286438 +0200

@@ -525,6 +525,7 @@ GrReducedClip::ClipResult GrReducedClip:

     }

     SK_ABORT("Unexpected DeviceSpaceType");

+    SkUNREACHABLE;

 }

 GrReducedClip::ClipResult GrReducedClip::clipOutsideElement(const Element* element) {

@@ -591,6 +592,7 @@ GrReducedClip::ClipResult GrReducedClip:

     }

     SK_ABORT("Unexpected DeviceSpaceType");

+    SkUNREACHABLE;

 }

 inline void GrReducedClip::addWindowRectangle(const SkRect& elementInteriorRect, bool elementIsAA) {

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/GrResourceCache.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/GrResourceCache.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/GrResourceCache.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/GrResourceCache.cpp	2020-09-05 17:24:04.038100548 +0200

@@ -40,6 +40,7 @@ GrScratchKey::ResourceType GrScratchKey:

     int32_t type = nextType++;

     if (type > SkTo<int32_t>(UINT16_MAX)) {

         SK_ABORT("Too many Resource Types");

+	SkUNREACHABLE;

     }

     return static_cast<ResourceType>(type);

@@ -51,6 +52,7 @@ GrUniqueKey::Domain GrUniqueKey::Generat

     int32_t domain = nextDomain++;

     if (domain > SkTo<int32_t>(UINT16_MAX)) {

         SK_ABORT("Too many GrUniqueKey Domains");

+	SkUNREACHABLE;

     }

     return static_cast<Domain>(domain);

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/GrShaderVar.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/GrShaderVar.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/GrShaderVar.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/GrShaderVar.cpp	2020-09-05 17:21:29.397434277 +0200

@@ -18,6 +18,7 @@ static const char* type_modifier_string(

         case GrShaderVar::kUniform_TypeModifier: return "uniform";

     }

     SK_ABORT("Unknown shader variable type modifier.");

+    SkUNREACHABLE;

 }

 void GrShaderVar::setIOType(GrIOType ioType) {

@@ -32,6 +33,7 @@ void GrShaderVar::setIOType(GrIOType ioT

             return;

     }

     SK_ABORT("Unknown io type.");

+    SkUNREACHABLE;

 }

 void GrShaderVar::appendDecl(const GrShaderCaps* shaderCaps, SkString* out) const {

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/SkGpuDevice.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/SkGpuDevice.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/SkGpuDevice.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/SkGpuDevice.cpp	2020-09-05 17:30:38.891802801 +0200

@@ -283,6 +283,7 @@ static inline GrPrimitiveType point_mode

             return GrPrimitiveType::kLineStrip;

     }

     SK_ABORT("Unexpected mode");

+    SkUNREACHABLE;

 }

 void SkGpuDevice::drawPoints(SkCanvas::PointMode mode,

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/SkGr.h firefox-80.0.1/gfx/skia/skia/src/gpu/SkGr.h

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/SkGr.h	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/SkGr.h	2020-09-05 17:30:45.151829800 +0200

@@ -159,6 +159,7 @@ static inline GrPrimitiveType SkVertexMo

             break;

     }

     SK_ABORT("Invalid mode");

+    SkUNREACHABLE;

 }

 //////////////////////////////////////////////////////////////////////////////

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/ccpr/GrCCCoverageProcessor.h firefox-80.0.1/gfx/skia/skia/src/gpu/ccpr/GrCCCoverageProcessor.h

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/ccpr/GrCCCoverageProcessor.h	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/ccpr/GrCCCoverageProcessor.h	2020-09-05 17:32:06.476180575 +0200

@@ -240,6 +240,7 @@ inline const char* GrCCCoverageProcessor

         case PrimitiveType::kConics: return "kConics";

     }

     SK_ABORT("Invalid PrimitiveType");

+    SkUNREACHABLE;

 }

 inline void GrCCCoverageProcessor::TriPointInstance::set(

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/ccpr/GrCCStrokeGeometry.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/ccpr/GrCCStrokeGeometry.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/ccpr/GrCCStrokeGeometry.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/ccpr/GrCCStrokeGeometry.cpp	2020-09-05 17:32:10.548198140 +0200

@@ -60,6 +60,7 @@ static GrCCStrokeGeometry::Verb join_ver

             return Verb::kRoundJoin;

     }

     SK_ABORT("Invalid SkPaint::Join.");

+    SkUNREACHABLE;

 }

 void GrCCStrokeGeometry::beginPath(const SkStrokeRec& stroke, float strokeDevWidth,

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/ccpr/GrCCStrokeGeometry.h firefox-80.0.1/gfx/skia/skia/src/gpu/ccpr/GrCCStrokeGeometry.h

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/ccpr/GrCCStrokeGeometry.h	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/ccpr/GrCCStrokeGeometry.h	2020-09-05 17:32:25.116260983 +0200

@@ -175,5 +175,6 @@ inline bool GrCCStrokeGeometry::IsIntern

             return false;

     }

     SK_ABORT("Invalid GrCCStrokeGeometry::Verb.");

+    SkUNREACHABLE;

 }

 #endif

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/ccpr/GrCoverageCountingPathRenderer.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/ccpr/GrCoverageCountingPathRenderer.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/ccpr/GrCoverageCountingPathRenderer.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/ccpr/GrCoverageCountingPathRenderer.cpp	2020-09-05 17:32:16.092222055 +0200

@@ -164,6 +164,7 @@ GrPathRenderer::CanDrawPath GrCoverageCo

     }

     SK_ABORT("Invalid stroke style.");

+    SkUNREACHABLE;

 }

 bool GrCoverageCountingPathRenderer::onDrawPath(const DrawPathArgs& args) {

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/ccpr/GrVSCoverageProcessor.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/ccpr/GrVSCoverageProcessor.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/ccpr/GrVSCoverageProcessor.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/ccpr/GrVSCoverageProcessor.cpp	2020-09-05 17:32:20.524241174 +0200

@@ -550,4 +550,5 @@ GrGLSLPrimitiveProcessor* GrVSCoveragePr

             return new Impl(std::move(shader), 4);

     }

     SK_ABORT("Invalid PrimitiveType");

+    SkUNREACHABLE;

 }

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/dawn/GrDawnOpsRenderPass.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/dawn/GrDawnOpsRenderPass.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/dawn/GrDawnOpsRenderPass.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/dawn/GrDawnOpsRenderPass.cpp	2020-09-05 17:29:04.783396962 +0200

@@ -39,7 +39,9 @@ static dawn::LoadOp to_dawn_load_op(GrLo

             return dawn::LoadOp::Clear;

         default:

             SK_ABORT("Invalid LoadOp");

+	    SkUNREACHABLE;

     }

+    SkUNREACHABLE;

 }

 GrDawnOpsRenderPass::GrDawnOpsRenderPass(GrDawnGpu* gpu, GrRenderTarget* rt, GrSurfaceOrigin origin,

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/dawn/GrDawnUniformHandler.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/dawn/GrDawnUniformHandler.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/dawn/GrDawnUniformHandler.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/dawn/GrDawnUniformHandler.cpp	2020-09-05 17:29:19.431460126 +0200

@@ -95,6 +95,7 @@ uint32_t grsltype_to_alignment_mask(GrSL

             break;

     }

     SK_ABORT("Unexpected type");

+    SkUNREACHABLE;

 }

 static inline uint32_t grsltype_to_size(GrSLType type) {

@@ -173,6 +174,7 @@ static inline uint32_t grsltype_to_size(

             break;

     }

     SK_ABORT("Unexpected type");

+    SkUNREACHABLE;

 }

 uint32_t get_ubo_offset(uint32_t* currentOffset,

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/dawn/GrDawnVaryingHandler.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/dawn/GrDawnVaryingHandler.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/dawn/GrDawnVaryingHandler.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/dawn/GrDawnVaryingHandler.cpp	2020-09-05 17:29:23.527477789 +0200

@@ -76,6 +76,7 @@ static inline int grsltype_to_location_s

              return 0;

     }

     SK_ABORT("Unexpected type");

+    SkUNREACHABLE;

 }

 static void finalize_helper(GrDawnVaryingHandler::VarArray& vars) {

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/effects/GrConstColorProcessor.fp firefox-80.0.1/gfx/skia/skia/src/gpu/effects/GrConstColorProcessor.fp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/effects/GrConstColorProcessor.fp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/effects/GrConstColorProcessor.fp	2020-09-05 17:31:23.039993215 +0200

@@ -58,6 +58,7 @@ void main() {

                 return color * input;

         }

         SK_ABORT("Unexpected mode");

+	SkUNREACHABLE;

     }

 }

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/effects/GrCoverageSetOpXP.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/effects/GrCoverageSetOpXP.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/effects/GrCoverageSetOpXP.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/effects/GrCoverageSetOpXP.cpp	2020-09-05 17:31:42.796078430 +0200

@@ -204,6 +204,7 @@ const GrXPFactory* GrCoverageSetOpXPFact

     }

 #undef _CONSTEXPR_

     SK_ABORT("Unknown region op.");

+    SkUNREACHABLE;

 }

 sk_sp<const GrXferProcessor> GrCoverageSetOpXPFactory::makeXferProcessor(

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/effects/GrPorterDuffXferProcessor.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/effects/GrPorterDuffXferProcessor.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/effects/GrPorterDuffXferProcessor.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/effects/GrPorterDuffXferProcessor.cpp	2020-09-05 17:31:32.900035745 +0200

@@ -753,6 +753,7 @@ const GrXPFactory* GrPorterDuffXPFactory

             return &gScreenPDXPF;

         default:

             SK_ABORT("Unexpected blend mode.");

+	    SkUNREACHABLE;

     }

 }

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/effects/GrSkSLFP.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/effects/GrSkSLFP.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/effects/GrSkSLFP.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/effects/GrSkSLFP.cpp	2020-09-05 17:31:49.900109073 +0200

@@ -154,6 +154,7 @@ public:

         }

         printf("%s\n", SkSL::String(type.fName).c_str());

         SK_ABORT("unsupported uniform type");

+	SkUNREACHABLE;

     }

     void emitCode(EmitArgs& args) override {

@@ -568,6 +569,7 @@ std::unique_ptr<GrFragmentProcessor> GrS

         }

     }

     SK_ABORT("unreachable");

+    SkUNREACHABLE;

 }

 #endif

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/effects/generated/GrConstColorProcessor.h firefox-80.0.1/gfx/skia/skia/src/gpu/effects/generated/GrConstColorProcessor.h

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/effects/generated/GrConstColorProcessor.h	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/effects/generated/GrConstColorProcessor.h	2020-09-05 17:30:53.303864960 +0200

@@ -41,6 +41,7 @@ public:

                 return color * input;

         }

         SK_ABORT("Unexpected mode");

+	SkUNREACHABLE;

     }

     static std::unique_ptr<GrFragmentProcessor> Make(SkPMColor4f color, InputMode mode) {

         return std::unique_ptr<GrFragmentProcessor>(new GrConstColorProcessor(color, mode));

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/geometry/GrShape.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/geometry/GrShape.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/geometry/GrShape.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/geometry/GrShape.cpp	2020-09-05 17:26:35.670754081 +0200

@@ -164,6 +164,7 @@ SkRect GrShape::bounds() const {

             return this->path().getBounds();

     }

     SK_ABORT("Unknown shape type");

+    SkUNREACHABLE;

 }

 SkRect GrShape::styledBounds() const {

@@ -254,6 +255,7 @@ int GrShape::unstyledKeySize() const {

         }

     }

     SK_ABORT("Should never get here.");

+    SkUNREACHABLE;

 }

 void GrShape::writeUnstyledKey(uint32_t* key) const {

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/gl/GrGLCaps.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/gl/GrGLCaps.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/gl/GrGLCaps.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/gl/GrGLCaps.cpp	2020-09-05 17:23:12.109876788 +0200

@@ -4159,6 +4159,7 @@ GrBackendFormat GrGLCaps::getBackendForm

             return GrBackendFormat::MakeGL(GR_GL_COMPRESSED_ETC1_RGB8, GR_GL_TEXTURE_2D);

     }

     SK_ABORT("Invalid compression type");

+    SkUNREACHABLE;

 }

 GrSwizzle GrGLCaps::getTextureSwizzle(const GrBackendFormat& format, GrColorType colorType) const {

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/gl/GrGLGLSL.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/gl/GrGLGLSL.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/gl/GrGLGLSL.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/gl/GrGLGLSL.cpp	2020-09-05 17:22:08.885604389 +0200

@@ -68,4 +68,5 @@ bool GrGLGetGLSLGeneration(const GrGLInt

         return true;

     }

     SK_ABORT("Unknown GL Standard");

+    SkUNREACHABLE;

 }

diff -rup firefox-80.0.1.orig/gfx/skia/skia/src/gpu/gl/GrGLGpu.cpp firefox-80.0.1/gfx/skia/skia/src/gpu/gl/GrGLGpu.cpp

--- firefox-80.0.1.orig/gfx/skia/skia/src/gpu/gl/GrGLGpu.cpp	2020-08-31 16:04:09.000000000 +0200

+++ firefox-80.0.1/gfx/skia/skia/src/gpu/gl/GrGLGpu.cpp	2020-09-05 17:23:04.717844938 +0200

@@ -196,6 +196,7 @@ static int gl_target_to_binding_index(Gr

             return 2;

     }

     SK_ABORT("Unexpected GL texture target.");

+    SkUNREACHABLE;

 }

 GrGpuResource::UniqueID GrGLGpu::TextureUnitBindings::boundID(GrGLenum target) const {

@@ -234,6 +235,7 @@ static GrGLenum filter_to_gl_mag_filter(

         case GrSamplerState::Filter::kMipMap:  return GR_GL_LINEAR;