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Be more conservative about reusing parameters.

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This commit is contained in:
Cyrus Najmabadi
2015-02-09 14:40:03 -08:00
parent a79e8e928b
commit 17dd6c2de0
1 changed files with 7 additions and 3 deletions
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10
src/compiler/parser.ts
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@@ -1924,9 +1924,13 @@ module ts {
}
function isReusableParameter(node: Node) {
// TODO: this most likely needs the same initializer check that
// isReusableVariableDeclaration has.
return node.kind === SyntaxKind.Parameter;
if (node.kind !== SyntaxKind.Parameter) {
return false;
}
// See the comment in isReusableVariableDeclaration for why we do this.
var parameter = <ParameterDeclaration>node;
return parameter.initializer === undefined;
}
// Returns true if we should abort parsing.