regression test for Issue 3454

dlang · Oct 30, 2013 · 487f0a1 · 487f0a1
1 parent 4fe17c3
commit 487f0a1
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/src/rt/lifetime.d b/src/rt/lifetime.d
@@ -2380,3 +2380,18 @@ unittest
     assert(s4.x == null);
     assert(gc_getAttr(s4) == 0);
 }
+
+unittest
+{
+    import core.memory;
+    // Bugzilla 3454 - Inconsistent flag setting in GC.realloc()
+    static void test(size_t multiplier)
+    {
+        auto p = GC.malloc(8 * multiplier, BlkAttr.NO_SCAN);
+        assert(GC.getAttr(p) == BlkAttr.NO_SCAN);
+        p = GC.realloc(p, 2 * multiplier, BlkAttr.NO_SCAN);
+        assert(GC.getAttr(p) == BlkAttr.NO_SCAN);
+    }
+    test(1);
+    test(1024 * 1024);
+}