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Merge pull request #41791 from microsoft/fix40643

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Reuse temp variable scope for converted loop body
This commit is contained in:
Ron Buckton
2020-12-03 13:33:09 -08:00
committed by GitHub
parent 69bc3f3b0c 27dc177f29
commit 324f0469c0
10 changed files with 72 additions and 36 deletions
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2
src/compiler/transformers/es2015.ts
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@@ -3155,7 +3155,7 @@ namespace ts {
const containsYield = (node.statement.transformFlags & TransformFlags.ContainsYield) !== 0;
let emitFlags: EmitFlags = 0;
let emitFlags: EmitFlags = EmitFlags.ReuseTempVariableScope;
if (currentState.containsLexicalThis) emitFlags |= EmitFlags.CapturesThis;
if (containsYield && (hierarchyFacts & HierarchyFacts.AsyncFunctionBody) !== 0) emitFlags |= EmitFlags.AsyncFunctionBody;