|  | library; | 
|  | // | 
|  | // Problems in library: | 
|  | // | 
|  | // pkg/front_end/testcases/patterns/issue54230.dart:6:22: Error: Both Iterable and Map spread elements encountered in ambiguous literal. | 
|  | //   if ({0} case const {0: 0}) | 
|  | //                      ^ | 
|  | // | 
|  | import self as self; | 
|  | import "dart:core" as core; | 
|  | import "dart:collection" as col; | 
|  |  | 
|  | static method test() → void { | 
|  | { | 
|  | final synthesized core::Set<core::int> #0#0 = block { | 
|  | final core::Set<core::int> #t1 = col::LinkedHashSet::•<core::int>(); | 
|  | #t1.{core::Set::add}{Invariant}(0){(core::int) → core::bool}; | 
|  | } =>#t1; | 
|  | final const synthesized Never #0#1 = invalid-expression "pkg/front_end/testcases/patterns/issue54230.dart:6:22: Error: Both Iterable and Map spread elements encountered in ambiguous literal. | 
|  | if ({0} case const {0: 0}) | 
|  | ^"; | 
|  | if(invalid-expression "pkg/front_end/testcases/patterns/issue54230.dart:6:22: Error: Both Iterable and Map spread elements encountered in ambiguous literal. | 
|  | if ({0} case const {0: 0}) | 
|  | ^" =={core::Object::==}{(dynamic) → Never} #0#0) | 
|  | core::print("Success"); | 
|  | else | 
|  | core::print("Failure"); | 
|  | } | 
|  | } |