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v8: fix RegExp nits in v8_prof_polyfill.js #13709

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v8: fix RegExp nits in v8_prof_polyfill.js #13709

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5 changes: 3 additions & 2 deletions lib/internal/v8_prof_polyfill.js
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Original file line number Diff line number Diff line change
Expand Up @@ -105,12 +105,13 @@ function versionCheck() {
function macCppfiltNm(out) {
// Re-grouped copy-paste from `tickprocessor.js`
const FUNC_RE = /^([0-9a-fA-F]{8,16} [iItT] )(.*)$/gm;
const CLEAN_RE = /^[0-9a-fA-F]{8,16} [iItT] /;
let entries = out.match(FUNC_RE);
if (entries === null)
return out;

entries = entries.map((entry) => {
return entry.replace(/^[0-9a-fA-F]{8,16} [iItT] /, '')
return entry.replace(CLEAN_RE, '')
});

let filtered;
Expand All @@ -123,7 +124,7 @@ function macCppfiltNm(out) {
}

let i = 0;
filtered = filtered.split(/\n/g);
filtered = filtered.split('\n');
return out.replace(FUNC_RE, (all, prefix, postfix) => {
return prefix + (filtered[i++] || postfix);
});
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