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/instruction_simplifier_x86.h b/compiler/optimizing/instruction_simplifier_x86.h
index 25ebe20..6f10006 100644
--- a/compiler/optimizing/instruction_simplifier_x86.h
+++ b/compiler/optimizing/instruction_simplifier_x86.h
@@ -16,11 +16,10 @@
#ifndef ART_COMPILER_OPTIMIZING_INSTRUCTION_SIMPLIFIER_X86_H_
#define ART_COMPILER_OPTIMIZING_INSTRUCTION_SIMPLIFIER_X86_H_
-#include "base/macros.h"
#include "nodes.h"
#include "optimization.h"
-namespace art HIDDEN {
+namespace art {
class CodeGenerator;
namespace x86 {