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/cha_guard_optimization.cc b/compiler/optimizing/cha_guard_optimization.cc
index 09c0121..c6232ef 100644
--- a/compiler/optimizing/cha_guard_optimization.cc
+++ b/compiler/optimizing/cha_guard_optimization.cc
@@ -16,7 +16,7 @@
#include "cha_guard_optimization.h"
-namespace art HIDDEN {
+namespace art {
// Note we can only do CHA guard elimination/motion in a single pass, since
// if a guard is not removed, another guard might be removed due to