From 7b1c6a022c4c0606b1b75e492a256ae7f4af305d Mon Sep 17 00:00:00 2001 From: Gaming4JC Date: Sat, 13 Jul 2019 23:10:10 -0400 Subject: Bug 1364573 - Don't relazify class default constructors. Because of the wacko way we handle toString offsets for class default constructors, those offsets cannot be recovered if we relazify the functions. Luckily there's no reason to relazify them, their JSScripts are very small: either a single 'retrval' for non-derived, and still fairly small for derived. --- js/src/jsscript.h | 1 + 1 file changed, 1 insertion(+) (limited to 'js/src') diff --git a/js/src/jsscript.h b/js/src/jsscript.h index 23ad44718..85eb2938d 100644 --- a/js/src/jsscript.h +++ b/js/src/jsscript.h @@ -1494,6 +1494,7 @@ class JSScript : public js::gc::TenuredCell bool isRelazifiable() const { return (selfHosted() || lazyScript) && !hasInnerFunctions_ && !types_ && !isGenerator() && !hasBaselineScript() && !hasAnyIonScript() && + !isDefaultClassConstructor() && !doNotRelazify_; } void setLazyScript(js::LazyScript* lazy) { -- cgit v1.2.3