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authorGaming4JC <g4jc@hyperbola.info>2019-07-13 23:10:10 -0400
committerGaming4JC <g4jc@hyperbola.info>2019-07-18 22:38:42 -0400
commit7b1c6a022c4c0606b1b75e492a256ae7f4af305d (patch)
treefc625bace8afe6f5da4a310045b3fcf82222b7c8 /js/src
parent92ca89f5f791656b593596e0ce992cf1e1e42b41 (diff)
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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.
Diffstat (limited to 'js/src')
-rw-r--r--js/src/jsscript.h1
1 files changed, 1 insertions, 0 deletions
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) {