Disable write-barrier elimination pass

We are able to break the `no missing card marks` of the in manual
testing with write-barrier elimination. The invariant requires
that no clean card shall contain any newly allocated object's
reference in it.

Test: manual to confirm bug
Test: art/test/testrunner/testrunner.py --host --64 --optimizing -b
Bug: 301833859
Bug: 310755375
Bug: 311607333
Change-Id: I91a7f9cbb3e10c5495c543802414bffb89fbbb9a

1 files changed, 7 insertions, 2 deletions

diff --git a/compiler/optimizing/write_barrier_elimination.cc b/compiler/optimizing/write_barrier_elimination.cc
index eb70b670fe..6182125b74 100644
--- a/compiler/optimizing/write_barrier_elimination.cc
+++ b/compiler/optimizing/write_barrier_elimination.cc
@@ -21,6 +21,9 @@
 #include "base/scoped_arena_containers.h"
 #include "optimizing/nodes.h"
 
+// TODO(b/310755375, solanes): Disable WBE while we investigate crashes.
+constexpr bool kWBEEnabled = false;
+
 namespace art HIDDEN {
 
 class WBEVisitor final : public HGraphVisitor {
@@ -153,8 +156,10 @@ class WBEVisitor final : public HGraphVisitor {
 };
 
 bool WriteBarrierElimination::Run() {
-  WBEVisitor wbe_visitor(graph_, stats_);
-  wbe_visitor.VisitReversePostOrder();
+  if (kWBEEnabled) {
+    WBEVisitor wbe_visitor(graph_, stats_);
+    wbe_visitor.VisitReversePostOrder();
+  }
   return true;
 }