Remove VISIBILITY_HIDDEN from class/struct found inside anonymous namespaces.
Chris claims we should never have visibility_hidden inside any .cpp file but
that's still not true even after this commit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85042 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp
index 5d58ea9..40a73bb 100644
--- a/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/lib/CodeGen/RegAllocLinearScan.cpp
@@ -70,7 +70,7 @@
                    createLinearScanRegisterAllocator);
 
 namespace {
-  struct VISIBILITY_HIDDEN RALinScan : public MachineFunctionPass {
+  struct RALinScan : public MachineFunctionPass {
     static char ID;
     RALinScan() : MachineFunctionPass(&ID) {}