# HG changeset patch
# User ysr
# Date 1274290625 25200
# Node ID 8df74da5c44bafe040aceec4e8ea1bbc63d66482
# Parent  8bc86dd08b8a49e281ad69cbf1f4d3cb0922a425
6953483: Typo related to ReduceInitialCardMarks leaves concurrent collectors vulnerable to heap corruption
Summary: Corrected mis-spelling of COMPILER2 in #ifdef, which could cause heap corruption in CMS due to precleaning when +ReduceInitialCardMarks. Thanks to ChenGuang Sun <suncg03@gmail.com> for bringing this typo to our attention.
Reviewed-by: tonyp, jmasa, jcoomes, kvn

diff -r 8bc86dd08b8a -r 8df74da5c44b src/share/vm/gc_interface/collectedHeap.cpp
--- a/src/share/vm/gc_interface/collectedHeap.cpp	Mon May 17 19:33:43 2010 -0700
+++ b/src/share/vm/gc_interface/collectedHeap.cpp	Wed May 19 10:37:05 2010 -0700
@@ -65,7 +65,7 @@
 void CollectedHeap::pre_initialize() {
   // Used for ReduceInitialCardMarks (when COMPILER2 is used);
   // otherwise remains unused.
-#ifdef COMPLER2
+#ifdef COMPILER2
   _defer_initial_card_mark =    ReduceInitialCardMarks && can_elide_tlab_store_barriers()
                              && (DeferInitialCardMark || card_mark_must_follow_store());
 #else