Revert "Make compiler/optimizing/ symbols hidden."
This reverts commit e2727154f25e0db9a5bb92af494d8e47b181dfcf.
Reason for revert: Breaks ASAN tests (ODR violation).
Bug: 142365358
Change-Id: I38103d74a1297256c81d90872b6902ff1e9ef7a4
diff --git a/compiler/optimizing/nodes_shared.h b/compiler/optimizing/nodes_shared.h
index 27e6103..7dcac17 100644
--- a/compiler/optimizing/nodes_shared.h
+++ b/compiler/optimizing/nodes_shared.h
@@ -22,7 +22,7 @@
// (defining `HInstruction` and co).
#include "nodes.h"
-namespace art HIDDEN {
+namespace art {
class HMultiplyAccumulate final : public HExpression<3> {
public: