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Fix temp variable scoping in async generators (#38121)

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This commit is contained in:
Ron Buckton
2020-04-24 12:10:29 -07:00
committed by GitHub
parent 689822c183
commit 38ff7762ec
5 changed files with 85 additions and 1 deletions
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2
src/compiler/transformers/es2018.ts
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@@ -1115,7 +1115,7 @@ namespace ts {
context.requestEmitHelper(asyncGeneratorHelper);
// Mark this node as originally an async function
(generatorFunc.emitNode || (generatorFunc.emitNode = {} as EmitNode)).flags |= EmitFlags.AsyncFunctionBody;
(generatorFunc.emitNode || (generatorFunc.emitNode = {} as EmitNode)).flags |= EmitFlags.AsyncFunctionBody | EmitFlags.ReuseTempVariableScope;
return createCall(
getUnscopedHelperName("__asyncGenerator"),