Revision: 11982
Author: [email protected]
Date: Tue Jul 3 06:01:31 2012
Log: Move quadratic behavior of Context's optimized function list
verification behind --enable-slow-asserts flag
BUG=webkit:90003
TEST=the following takes only about 1 second in debug mode: var
a=[1,2,3,4,5]; eval("for (var i=0;i<50000;i++) a.sort(function(){return
1;});");
Review URL: https://chromiumcodereview.appspot.com/10704078
http://code.google.com/p/v8/source/detail?r=11982
Modified:
/branches/bleeding_edge/src/contexts.cc
=======================================
--- /branches/bleeding_edge/src/contexts.cc Tue Nov 15 05:48:40 2011
+++ /branches/bleeding_edge/src/contexts.cc Tue Jul 3 06:01:31 2012
@@ -243,10 +243,12 @@
void Context::AddOptimizedFunction(JSFunction* function) {
ASSERT(IsGlobalContext());
#ifdef DEBUG
- Object* element = get(OPTIMIZED_FUNCTIONS_LIST);
- while (!element->IsUndefined()) {
- CHECK(element != function);
- element = JSFunction::cast(element)->next_function_link();
+ if (FLAG_enable_slow_asserts) {
+ Object* element = get(OPTIMIZED_FUNCTIONS_LIST);
+ while (!element->IsUndefined()) {
+ CHECK(element != function);
+ element = JSFunction::cast(element)->next_function_link();
+ }
}
CHECK(function->next_function_link()->IsUndefined());
--
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