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Merge pull request #9510 from Microsoft/fixSwitchCase

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Fix switch case circular reference stack overflow
This commit is contained in:
Mohamed Hegazy
2016-07-05 14:36:19 -07:00
committed by GitHub
parent d56a50bedb 829c3bc264
commit 29ac7e4e3d
4 changed files with 55 additions and 0 deletions
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11
src/compiler/binder.ts
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@@ -551,6 +551,9 @@ namespace ts {
case SyntaxKind.CaseBlock:
bindCaseBlock(<CaseBlock>node);
break;
case SyntaxKind.CaseClause:
bindCaseClause(<CaseClause>node);
break;
case SyntaxKind.LabeledStatement:
bindLabeledStatement(<LabeledStatement>node);
break;
@@ -989,6 +992,14 @@ namespace ts {
}
}
function bindCaseClause(node: CaseClause): void {
const saveCurrentFlow = currentFlow;
currentFlow = preSwitchCaseFlow;
bind(node.expression);
currentFlow = saveCurrentFlow;
forEach(node.statements, bind);
}
function pushActiveLabel(name: string, breakTarget: FlowLabel, continueTarget: FlowLabel): ActiveLabel {
const activeLabel = {
name,