Merge pull request #1159 from schveiguy/issue14126

Fixed issue 14126 -- GC seemingly corrupting memory
dlang · Feb 6, 2015 · 1c5aef8 · 1c5aef8
2 parents 8c13443 + 21aba9e
commit 1c5aef8
Showing 1 changed file with 17 additions and 1 deletion.
diff --git a/src/rt/lifetime.d b/src/rt/lifetime.d
@@ -1337,7 +1337,7 @@ void finalize_array2(void* p, size_t size) nothrow
     {
         si = *cast(TypeInfo_Struct*)(p + size_t.sizeof);
         size = *cast(size_t*)p;
-        p += LARGEPAD;
+        p += LARGEPREFIX;
     }
 
     try
@@ -2670,3 +2670,19 @@ unittest
     import core.exception : InvalidMemoryOperationError;
     assert(!test!InvalidMemoryOperationError);
 }
+
+// test bug 14126
+unittest
+{
+    static struct S
+    {
+        S* thisptr;
+        ~this() { assert(&this == thisptr); thisptr = null;}
+    }
+
+    S[] test14126 = new S[2048]; // make sure we allocate at least a PAGE
+    foreach(ref s; test14126)
+    {
+        s.thisptr = &s;
+    }
+}