library;
//
// Problems in library:
//
// pkg/front_end/testcases/patterns/issue51676.dart:7:46: Error: Expected ',' before this.
//     case B(const bool.fromEnvironment('x') ? 0 : 1):
//                                              ^
//
// pkg/front_end/testcases/patterns/issue51676.dart:7:46: Error: Expected an identifier, but got '0'.
// Try inserting an identifier before '0'.
//     case B(const bool.fromEnvironment('x') ? 0 : 1):
//                                              ^
//
// pkg/front_end/testcases/patterns/issue51676.dart:7:48: Error: A pattern field in an object pattern must be named.
// Try adding a pattern name or ':' before the pattern.
//     case B(const bool.fromEnvironment('x') ? 0 : 1):
//                                                ^
//
// pkg/front_end/testcases/patterns/issue51676.dart:7:44: Error: A pattern field in an object pattern must be named.
// Try adding a pattern name or ':' before the pattern.
//     case B(const bool.fromEnvironment('x') ? 0 : 1):
//                                            ^
//
// pkg/front_end/testcases/patterns/issue51676.dart:7:10: Error: 'B' isn't a type.
//     case B(const bool.fromEnvironment('x') ? 0 : 1):
//          ^
//
import self as self;
import "dart:core" as core;

static method case3() → core::int {
  #L1:
  {
    final synthesized dynamic #0#0 = null as dynamic;
    {
      if(#0#0 is invalid-type) {
        {
          return 1;
        }
      }
    }
    {
      {
        {
          return 2;
        }
      }
    }
  }
}