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buffer: Prevent Buffer constructor deopt #4158

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buffer: Prevent Buffer constructor deopt #4158

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4 changes: 2 additions & 2 deletions lib/buffer.js
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Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,7 @@ function alignPool() {
}


function Buffer(arg) {
function Buffer(arg, encoding) {
// Common case.
if (typeof arg === 'number') {
// If less than zero, or NaN.
Expand All @@ -51,7 +51,7 @@ function Buffer(arg) {

// Slightly less common case.
if (typeof arg === 'string') {
return fromString(arg, arguments[1]);
return fromString(arg, encoding);
}

// Unusual.
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