diff --git a/flow/layers/child_scene_layer.cc b/flow/layers/child_scene_layer.cc
index 9ba5eff3c5021..858328a140b22 100644
--- a/flow/layers/child_scene_layer.cc
+++ b/flow/layers/child_scene_layer.cc
@@ -22,9 +22,7 @@ void ChildSceneLayer::Preroll(PrerollContext* context, const SkMatrix& matrix) {
   CheckForChildLayerBelow(context);
 }
 
-void ChildSceneLayer::Paint(PaintContext& context) const {
-  FML_NOTREACHED();
-}
+void ChildSceneLayer::Paint(PaintContext& context) const {}
 
 void ChildSceneLayer::UpdateScene(SceneUpdateContext& context) {
   TRACE_EVENT0("flutter", "ChildSceneLayer::UpdateScene");
diff --git a/fml/BUILD.gn b/fml/BUILD.gn
index 198d61c52c610..cf6af4e68a2e2 100644
--- a/fml/BUILD.gn
+++ b/fml/BUILD.gn
@@ -249,6 +249,7 @@ if (enable_unittests) {
       "command_line_unittest.cc",
       "file_unittest.cc",
       "hash_combine_unittests.cc",
+      "logging_unittests.cc",
       "memory/ref_counted_unittest.cc",
       "memory/task_runner_checker_unittest.cc",
       "memory/weak_ptr_unittest.cc",
diff --git a/fml/logging.cc b/fml/logging.cc
index d4273b9381da7..6530348e0ccac 100644
--- a/fml/logging.cc
+++ b/fml/logging.cc
@@ -93,7 +93,7 @@ LogMessage::~LogMessage() {
 #endif
 
   if (severity_ >= LOG_FATAL) {
-    abort();
+    KillProcess();
   }
 }
 
@@ -105,4 +105,8 @@ bool ShouldCreateLogMessage(LogSeverity severity) {
   return severity >= GetMinLogLevel();
 }
 
+void KillProcess() {
+  abort();
+}
+
 }  // namespace fml
diff --git a/fml/logging.h b/fml/logging.h
index 20cb887cb20df..0b732ee818a0a 100644
--- a/fml/logging.h
+++ b/fml/logging.h
@@ -43,6 +43,8 @@ int GetVlogVerbosity();
 // LOG_FATAL and above is always true.
 bool ShouldCreateLogMessage(LogSeverity severity);
 
+[[noreturn]] void KillProcess();
+
 }  // namespace fml
 
 #define FML_LOG_STREAM(severity) \
@@ -87,9 +89,10 @@ bool ShouldCreateLogMessage(LogSeverity severity);
 #define FML_DCHECK(condition) FML_EAT_STREAM_PARAMETERS(condition)
 #endif
 
-#define FML_NOTREACHED() FML_DCHECK(false)
-
-#define FML_NOTIMPLEMENTED() \
-  FML_LOG(ERROR) << "Not implemented in: " << __PRETTY_FUNCTION__
+#define FML_UNREACHABLE()                          \
+  {                                                \
+    FML_LOG(ERROR) << "Reached unreachable code."; \
+    ::fml::KillProcess();                          \
+  }
 
 #endif  // FLUTTER_FML_LOGGING_H_
diff --git a/fml/logging_unittests.cc b/fml/logging_unittests.cc
new file mode 100644
index 0000000000000..88b2ebee806df
--- /dev/null
+++ b/fml/logging_unittests.cc
@@ -0,0 +1,32 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "flutter/fml/logging.h"
+#include "gtest/gtest.h"
+
+namespace fml {
+namespace testing {
+
+int UnreachableScopeWithoutReturnDoesNotMakeCompilerMad() {
+  KillProcess();
+  // return 0; <--- Missing but compiler is fine.
+}
+
+int UnreachableScopeWithMacroWithoutReturnDoesNotMakeCompilerMad() {
+  FML_UNREACHABLE();
+  // return 0; <--- Missing but compiler is fine.
+}
+
+TEST(LoggingTest, UnreachableKillProcess) {
+  ::testing::FLAGS_gtest_death_test_style = "threadsafe";
+  ASSERT_DEATH(KillProcess(), "");
+}
+
+TEST(LoggingTest, UnreachableKillProcessWithMacro) {
+  ::testing::FLAGS_gtest_death_test_style = "threadsafe";
+  ASSERT_DEATH({ FML_UNREACHABLE(); }, "");
+}
+
+}  // namespace testing
+}  // namespace fml