197CreateCompilation([source, s_collectionExtensions], parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 204var verifier = CompileAndVerify([source, s_collectionExtensions], 225[source, s_collectionExtensions], 253[source, s_collectionExtensions]); 331[source, s_collectionExtensions], 386[source, s_collectionExtensions], 420[source, s_collectionExtensions], 488[source, s_collectionExtensions], 525[source, s_collectionExtensions], 719[source, s_collectionExtensions], 771[sourceA, s_collectionExtensions], 838[sourceB, s_collectionExtensions], 1221[sourceA, sourceB, s_collectionExtensions], 1496[sourceA, sourceB, s_collectionExtensions], 1547[sourceA, sourceB, s_collectionExtensions], 2057[sourceA, sourceB, s_collectionExtensions], 2107[sourceA, sourceB, s_collectionExtensions], 2154[sourceA, sourceB, s_collectionExtensions], 2201[sourceA, s_collectionExtensions], 2205[sourceB, s_collectionExtensions], 2259[sourceA, sourceB, s_collectionExtensions], 2306[sourceA, sourceB, s_collectionExtensions], 2345[sourceA, sourceB, s_collectionExtensions], 2573[sourceA, sourceB, s_collectionExtensions], 2639[sourceA, sourceB1, s_collectionExtensions], 2709[sourceA, sourceB1, s_collectionExtensions], 2865[sourceA, sourceB3, s_collectionExtensions], 2887[sourceA, sourceB4, s_collectionExtensions], 2977[sourceA, sourceB3, s_collectionExtensions], 3002[sourceA, sourceB4, s_collectionExtensions], 3063[sourceA, sourceB1, s_collectionExtensions], 3114[sourceA, sourceB2, s_collectionExtensions], 3196[sourceA, sourceB1, s_collectionExtensions], 3247[sourceA, sourceB2, s_collectionExtensions], 3329[sourceA, sourceB1, s_collectionExtensions], 3357[sourceA, sourceB2, s_collectionExtensions], 3421[sourceA, sourceB1, s_collectionExtensions], 3449[sourceA, sourceB2, s_collectionExtensions], 3504[sourceA, sourceB, s_collectionExtensions], 3557[sourceA, sourceB, s_collectionExtensions], 3599[sourceA, sourceB1, s_collectionExtensions], 3675[sourceA, sourceB1, s_collectionExtensions], 3755[sourceA, sourceB1, s_collectionExtensions], 3840[sourceA, sourceB1, s_collectionExtensions], 3915var comp = CreateCompilation([sourceA, sourceB1, s_collectionExtensions], targetFramework: TargetFramework.Net80); 3997[sourceA, sourceB1, s_collectionExtensions], targetFramework: TargetFramework.Net80, 4052[sourceA, sourceB1, s_collectionExtensions], 4123[sourceA, sourceB1, s_collectionExtensions], 4199[sourceA, sourceB, s_collectionExtensions], 4262[sourceA, sourceB, s_collectionExtensions], 4543[sourceA, sourceB, s_collectionExtensions], 4596[sourceA, sourceB, s_collectionExtensions], 4976[sourceA, sourceB1, s_collectionExtensions], 5054[sourceA, sourceB1, s_collectionExtensions], 5133[sourceA, sourceB1, s_collectionExtensions], 5249[sourceA, sourceB1, s_collectionExtensions], 5346[sourceA, sourceB1, s_collectionExtensions], 5486[source, s_collectionExtensions], 5570[sourceA, sourceB, s_collectionExtensions], 5630[sourceA, sourceB, s_collectionExtensions], 5690[sourceA, sourceB, s_collectionExtensions], 5861[sourceA, sourceB1, s_collectionExtensions], 5897[sourceA, sourceB2, s_collectionExtensions], 6484[sourceA, sourceB, s_collectionExtensions], 7925[source, s_collectionExtensions],