pkg/kernel/lib/type_environment.dart - Issue 2825053002: Add typedef AST node boilerplate.

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Unified Diff: pkg/kernel/lib/type_environment.dart

Issue 2825053002: Add typedef AST node boilerplate. (Closed)

Patch Set: Update FastaVerifyingVisitor to work with the changes in VerifyingVisitor Created 3 years, 8 months ago

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Index: pkg/kernel/lib/type_environment.dart

diff --git a/pkg/kernel/lib/type_environment.dart b/pkg/kernel/lib/type_environment.dart

index 0b90cb4ba4742ec9856090ba65121553b44aaebf..8db70bb9374718e1cfe62a83712dddcc7f1021d5 100644

--- a/pkg/kernel/lib/type_environment.dart

+++ b/pkg/kernel/lib/type_environment.dart

@@ -145,6 +145,8 @@ abstract class SubtypeTester {

/// Returns true if [subtype] is a subtype of [supertype].

bool isSubtypeOf(DartType subtype, DartType supertype) {

+ subtype = subtype.unalias;

+ supertype = supertype.unalias;

if (identical(subtype, supertype)) return true;

if (subtype is BottomType) return true;

if (supertype is DynamicType ||

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