LibJS: Delete fully-empty HeapBlocks after garbage collection

We now deallocate GC blocks when they are found to have no live cells
inside them.

1 files changed, 8 insertions, 0 deletions

diff --git a/Base/home/anon/js/gc-strings.js b/Base/home/anon/js/gc-strings.js
new file mode 100644
index 0000000000..39d5400817
--- /dev/null
+++ b/Base/home/anon/js/gc-strings.js
@@ -0,0 +1,8 @@
+function foo() {
+    var a = [];
+    for (var i = 0; i < 4000; ++i) {
+        a.push("string" + i);
+    }
+}
+
+foo();