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do not crash if initializer in For-statement is missing

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This commit is contained in:
Vladimir Matveev
2016-01-14 23:20:21 -08:00
parent d1aa01cac2
commit 0a0c3e0cbd
9 changed files with 198 additions and 1 deletions
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3
src/compiler/emitter.ts
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@@ -2886,7 +2886,8 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, Promi
case SyntaxKind.ForStatement:
case SyntaxKind.ForInStatement:
case SyntaxKind.ForOfStatement:
if ((<ForStatement | ForInStatement | ForOfStatement>node).initializer.kind === SyntaxKind.VariableDeclarationList) {
const initializer = (<ForStatement | ForInStatement | ForOfStatement>node).initializer;
if (initializer && initializer.kind === SyntaxKind.VariableDeclarationList) {
loopInitializer = <VariableDeclarationList>(<ForStatement | ForInStatement | ForOfStatement>node).initializer;
}
break;