diff --git a/flutter/lib/gpu/shader_library.cc b/flutter/lib/gpu/shader_library.cc
index 7960a5c..0e0804d 100644
--- a/flutter/lib/gpu/shader_library.cc
+++ b/flutter/lib/gpu/shader_library.cc
@@ -94,6 +94,7 @@ static impeller::ShaderType FromInputType(
     case impeller::fb::shaderbundle::InputDataType::kDouble:
       return impeller::ShaderType::kDouble;
   }
+  FML_UNREACHABLE();
 }
 
 static impeller::ShaderType FromUniformType(
@@ -126,6 +127,7 @@ static impeller::ShaderType FromUniformType(
     case impeller::fb::shaderbundle::UniformDataType::kSampledImage:
       return impeller::ShaderType::kSampledImage;
   }
+  FML_UNREACHABLE();
 }
 
 static size_t SizeOfInputType(
@@ -154,6 +156,7 @@ static size_t SizeOfInputType(
     case impeller::fb::shaderbundle::InputDataType::kDouble:
       return 8;
   }
+  FML_UNREACHABLE();
 }
 
 static const impeller::fb::shaderbundle::BackendShader* GetShaderBackend(
@@ -171,6 +174,7 @@ static const impeller::fb::shaderbundle::BackendShader* GetShaderBackend(
     case impeller::Context::BackendType::kVulkan:
       return shader->vulkan();
   }
+  FML_UNREACHABLE();
 }
 
 static ShaderLibrary::ShaderMap ParseShaderBundle(
diff --git a/flutter/lib/ui/painting/fragment_program.cc b/flutter/lib/ui/painting/fragment_program.cc
index 74f4a33..dc75800 100644
--- a/flutter/lib/ui/painting/fragment_program.cc
+++ b/flutter/lib/ui/painting/fragment_program.cc
@@ -10,6 +10,7 @@
 #include "flutter/lib/ui/painting/fragment_program.h"
 
 #include "flutter/assets/asset_manager.h"
+#include "flutter/fml/logging.h"
 #include "flutter/fml/trace_event.h"
 #if IMPELLER_SUPPORTS_RENDERING
 #include "flutter/impeller/display_list/dl_runtime_effect_impeller.h"  // nogncheck
@@ -41,6 +42,7 @@ static std::string RuntimeStageBackendToString(
     case impeller::RuntimeStageBackend::kOpenGLES3:
       return "OpenGLES3";
   }
+  FML_UNREACHABLE();
 }
 
 namespace {