pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/operations.dart - Issue 2671113002: fix #28642, handling of top and bottom types in DDC

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Unified Diff: pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/operations.dart

Issue 2671113002: fix #28642, handling of top and bottom types in DDC (Closed)

Patch Set: fix Created 3 years, 10 months ago

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Index: pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/operations.dart

diff --git a/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/operations.dart b/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/operations.dart

index d94d1a995bafd3dee2710c5e2322ac35d5c314d3..68d8fd043781de47e7957051c8067abbc6152953 100644

--- a/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/operations.dart

+++ b/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/operations.dart

@@ -513,6 +513,9 @@ instanceOfOrNull(obj, type) => JS(

instanceOf(obj, type) => JS(

'',

'''(() => {

+ if ($obj == null) {

+ return $type == $Null || $_isTop($type);

+ }

let result = $strongInstanceOf($obj, $type);

if (result !== null) return result;

let actual = $getReifiedType($obj);

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