Issue #1972 - Disable forcing GC on memory pressure.

palemoon/app/profile/palemoon.js

@@ -518,6 +518,9 @@ pref("general.warnOnAboutConfig",                 false);
 
 // Enable unlinking of ghost windows so they can be garbage collected.
 pref("browser.ghostbuster.enabled",               true);
+// Disable GC on memory pressure, avoid incessant recycling when websites
+// misbehave. Should also avoid spurious GCs during ghostbusting.
+pref("javascript.options.gc_on_memory_pressure",  false);
 
 // This is the pref to control the location bar, change this to true to 
 // force this - this makes the origin of popup windows more obvious to avoid