| library; | 
 | // | 
 | // Problems in library: | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:19:12: Error: The binary operator + is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 + 2: // Error | 
 | //            ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:20:12: Error: The binary operator - is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 - 2: // Error | 
 | //            ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:21:12: Error: The binary operator * is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 * 2: // Error | 
 | //            ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:22:12: Error: The binary operator / is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 / 2: // Error | 
 | //            ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:23:12: Error: The binary operator ~/ is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 ~/ 2: // Error | 
 | //            ^^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:24:12: Error: The binary operator % is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 % 2: // Error | 
 | //            ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:25:12: Error: The binary operator == is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 == 2: // Error | 
 | //            ^^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:26:12: Error: The binary operator != is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 != 2: // Error | 
 | //            ^^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:27:12: Error: The binary operator ^ is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 ^ 2: // Error | 
 | //            ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:28:12: Error: The binary operator & is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 & 2: // Error | 
 | //            ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:29:12: Error: The binary operator | is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 | 2: // Error | 
 | //            ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:30:12: Error: The binary operator < is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 < 2: // Error | 
 | //            ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:31:12: Error: The binary operator <= is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 <= 2: // Error | 
 | //            ^^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:32:12: Error: The binary operator > is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 > 2: // Error | 
 | //            ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:33:12: Error: The binary operator >= is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 >= 2: // Error | 
 | //            ^^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:34:12: Error: The binary operator << is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 << 2: // Error | 
 | //            ^^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:35:12: Error: The binary operator >> is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 >> 2: // Error | 
 | //            ^^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:36:12: Error: The binary operator >>> is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 >>> 2: // Error | 
 | //            ^^^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:37:12: Error: The binary operator + is not supported as a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )'. | 
 | //     case 1 + 2 + 3: // Error | 
 | //            ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:40:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 as int: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:41:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 + 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:42:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 - 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:43:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 * 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:44:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 / 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:45:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 ~/ 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:46:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 % 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:47:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 == 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:48:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 != 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:49:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 ^ 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:50:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 & 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:51:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 | 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:52:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 < 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:53:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 <= 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:54:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 > 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:55:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 >= 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:56:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 << 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:57:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 >> 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:58:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 >>> 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:59:16: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const 1 + 2 + 3: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:60:23: Error: The expression can't be prefixed by 'const' to form a constant pattern. | 
 | // Try wrapping the expression in 'const ( ... )' instead. | 
 | //     case const Object() == 2: // Error | 
 | //                       ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:81:12: Error: Expected ':' before this. | 
 | //     case 1 ?? 2: // Error | 
 | //            ^^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:81:12: Error: Expected an identifier, but got '??'. | 
 | // Try inserting an identifier before '??'. | 
 | //     case 1 ?? 2: // Error | 
 | //            ^^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:81:15: Error: Expected ';' after this. | 
 | //     case 1 ?? 2: // Error | 
 | //               ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:81:16: Error: Expected an identifier, but got ':'. | 
 | // Try inserting an identifier before ':'. | 
 | //     case 1 ?? 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:81:16: Error: Unexpected token ':'. | 
 | //     case 1 ?? 2: // Error | 
 | //                ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:82:10: Error: Not a constant expression. | 
 | //     case o++: // Error | 
 | //          ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:83:10: Error: Not a constant expression. | 
 | //     case o--: // Error | 
 | //          ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:84:12: Error: Not a constant expression. | 
 | //     case ++o: // Error | 
 | //            ^ | 
 | // | 
 | // pkg/front_end/testcases/patterns/const_patterns_binary.dart:85:12: Error: Not a constant expression. | 
 | //     case --o: // Error | 
 | //            ^ | 
 | // | 
 | import self as self; | 
 | import "dart:core" as core; | 
 |  | 
 | import "org-dartlang-testcase:///const_patterns_binary.dart" as prefix; | 
 |  | 
 | class Class extends core::Object { | 
 |   static const field core::int value = #C1; | 
 |   synthetic constructor •() → self::Class | 
 |     : super core::Object::•() | 
 |     ; | 
 | } | 
 | static const field core::int value = #C2; | 
 | static method method<T extends core::Object? = dynamic>(dynamic o) → dynamic { | 
 |   #L1: | 
 |   { | 
 |     final synthesized dynamic #0#0 = o; | 
 |     late final synthesized core::bool #0#2 = #C2 =={core::num::==}{(core::Object) → core::bool} #0#0; | 
 |     late final synthesized core::bool #0#4 = #C1 =={core::num::==}{(core::Object) → core::bool} #0#0; | 
 |     late final synthesized core::bool #0#6 = #C2 =={core::num::==}{(core::Object) → core::bool} #0#0 as self::method::T%; | 
 |     late final synthesized core::bool #0#10 = #C3 =={core::num::==}{(core::Object) → core::bool} #0#0; | 
 |     late final synthesized core::bool #0#12 = #C4 =={core::num::==}{(core::Object) → core::bool} #0#0; | 
 |     late final synthesized core::bool #0#14 = #C5 =={core::num::==}{(core::Object) → core::bool} #0#0; | 
 |     late final synthesized core::bool #0#16 = #C6 =={core::num::==}{(core::Object) → core::bool} #0#0; | 
 |     late final synthesized core::bool #0#18 = #C7 =={core::Object::==}{(core::Object) → core::bool} #0#0; | 
 |     late final synthesized core::bool #0#20 = #C8 =={core::Object::==}{(core::Object) → core::bool} #0#0; | 
 |     late final synthesized core::bool #0#22 = #C9 =={core::num::==}{(core::Object) → core::bool} #0#0; | 
 |     late final synthesized core::bool #0#24 = #C10 =={core::num::==}{(core::Object) → core::bool} #0#0; | 
 |     final const synthesized invalid-type #0#31 = invalid-expression "pkg/front_end/testcases/patterns/const_patterns_binary.dart:82:10: Error: Not a constant expression. | 
 |     case o++: // Error | 
 |          ^"; | 
 |     final const synthesized invalid-type #0#33 = invalid-expression "pkg/front_end/testcases/patterns/const_patterns_binary.dart:83:10: Error: Not a constant expression. | 
 |     case o--: // Error | 
 |          ^"; | 
 |     final const synthesized invalid-type #0#35 = invalid-expression "pkg/front_end/testcases/patterns/const_patterns_binary.dart:84:12: Error: Not a constant expression. | 
 |     case ++o: // Error | 
 |            ^"; | 
 |     final const synthesized invalid-type #0#37 = invalid-expression "pkg/front_end/testcases/patterns/const_patterns_binary.dart:85:12: Error: Not a constant expression. | 
 |     case --o: // Error | 
 |            ^"; | 
 |     { | 
 |       if(#0#2 || #0#4 || #0#2 && #0#4 || (let final dynamic #t1 = #0#0 as self::method::T% in #0#6) || #C11 =={core::Object::==}{(core::Object) → core::bool} #0#0 || #0#10 || #0#12 || #0#4 || #0#14 || #0#16 || #0#2 || #0#18 || #0#20 || #0#10 || #0#16 || #0#10 || #0#20 || #0#20 || #0#18 || #0#18 || #0#22 || #0#16 || #0#16 || #0#24 || (let final dynamic #t2 = #0#0 as self::method::T% in #0#6) || (let final dynamic #t3 = #0#0 as self::method::T% in #C1 =={core::num::==}{(core::Object) → core::bool} #0#0 as self::method::T%) || (let final dynamic #t4 = #0#0 as core::int in #C2 =={core::num::==}{(core::Object) → core::bool} #0#0 as core::int) || #0#10 || #0#12 || #0#4 || #0#14 || #0#16 || #0#2 || #0#18 || #0#20 || #0#10 || #0#16 || #0#10 || #0#20 || #0#20 || #0#18 || #0#18 || #0#22 || #0#16 || #0#16 || #0#24 || #0#18 || (let final dynamic #t5 = #0#0 as core::List<self::method::T%> in #C12 =={core::List::==}{(core::Object) → core::bool} #0#0 as core::List<self::method::T%>) || #0#10 || #0#12 || #0#4 || #0#14 || #0#16 || #0#2 || #0#18 || #0#20 || #0#10 || #0#16 || #0#10 || #0#20 || #0#20 || #0#18 || #0#18 || #0#22 || #0#16 || #0#16 || #0#24 || #0#2) { | 
 |         { | 
 |           let final invalid-type #t6 = invalid-expression "pkg/front_end/testcases/patterns/const_patterns_binary.dart:81:12: Error: This couldn't be parsed. | 
 |     case 1 ?? 2: // Error | 
 |            ^" in #t6 == null ?{invalid-type} 2 : #t6; | 
 |           invalid-expression "pkg/front_end/testcases/patterns/const_patterns_binary.dart:81:16: Error: This couldn't be parsed. | 
 |     case 1 ?? 2: // Error | 
 |                ^"; | 
 |           break #L1; | 
 |         } | 
 |       } | 
 |     } | 
 |     { | 
 |       if(invalid-expression "pkg/front_end/testcases/patterns/const_patterns_binary.dart:82:10: Error: Not a constant expression. | 
 |     case o++: // Error | 
 |          ^" =={core::Object::==}{(core::Object) → core::bool} #0#0 || invalid-expression "pkg/front_end/testcases/patterns/const_patterns_binary.dart:83:10: Error: Not a constant expression. | 
 |     case o--: // Error | 
 |          ^" =={core::Object::==}{(core::Object) → core::bool} #0#0 || invalid-expression "pkg/front_end/testcases/patterns/const_patterns_binary.dart:84:12: Error: Not a constant expression. | 
 |     case ++o: // Error | 
 |            ^" =={core::Object::==}{(core::Object) → core::bool} #0#0 || invalid-expression "pkg/front_end/testcases/patterns/const_patterns_binary.dart:85:12: Error: Not a constant expression. | 
 |     case --o: // Error | 
 |            ^" =={core::Object::==}{(core::Object) → core::bool} #0#0) { | 
 |       } | 
 |     } | 
 |   } | 
 | } | 
 |  | 
 | constants  { | 
 |   #C1 = 2 | 
 |   #C2 = 1 | 
 |   #C3 = 3 | 
 |   #C4 = -1 | 
 |   #C5 = 0.5 | 
 |   #C6 = 0 | 
 |   #C7 = false | 
 |   #C8 = true | 
 |   #C9 = 4 | 
 |   #C10 = 6 | 
 |   #C11 = core::Object {} | 
 |   #C12 = <core::int*>[] | 
 | } | 
 |  | 
 |  | 
 | Constructor coverage from constants: | 
 | org-dartlang-testcase:///const_patterns_binary.dart: | 
 | - Object. (from org-dartlang-sdk:///sdk/lib/core/object.dart) |