Dwarf tools interpret line number table pc's as start boundries instead of end boundries.

runtime/vm/dart_api_impl.cc

Index: runtime/vm/dart_api_impl.cc
diff --git a/runtime/vm/dart_api_impl.cc b/runtime/vm/dart_api_impl.cc
index ca6ec6deb845ff4a6340b0a3e9b0d06cea70abf3..bd21c6389f0f9939bf4cfea4fc11d21a3cd2b8f7 100644
--- a/runtime/vm/dart_api_impl.cc
+++ b/runtime/vm/dart_api_impl.cc
@@ -6704,11 +6704,6 @@ Dart_CreateAppAOTSnapshotAsBlobs(uint8_t** vm_snapshot_data_buffer,
   return Api::NewError(
       "This VM was built without support for AOT compilation.");
 #else
-  if (FLAG_dwarf_stack_traces) {
-    return Api::NewError(
-        "--dwarf_stack_traces requires creating an AOT snapshot as assembly.");
-  }
-
   API_TIMELINE_DURATION;
   DARTSCOPE(Thread::Current());
   Isolate* I = T->isolate();