complete rename of __orc_rt namespace

for 3e04ad4

it's bizzare that none of the builbots were broken, only bazel build
https://buildkite.com/llvm-project/upstream-bazel/builds/109623#0191d5d0-2b3e-4ee7-b8dd-1e2580977e9b

Author: metaflow

compiler-rt/lib/orc/string_pool.h

@@ -161,9 +161,9 @@ inline bool StringPool::empty() const {
 namespace std {
 
 // Make PooledStringPtrs hashable.
-template <> struct hash<__orc_rt::PooledStringPtr> {
-  size_t operator()(const __orc_rt::PooledStringPtr &A) const {
-    return hash<__orc_rt::PooledStringPtr::PoolEntryPtr>()(A.S);
+template <> struct hash<orc_rt::PooledStringPtr> {
+  size_t operator()(const orc_rt::PooledStringPtr &A) const {
+    return hash<orc_rt::PooledStringPtr::PoolEntryPtr>()(A.S);
   }
 };
 

compiler-rt/lib/orc/tests/unit/adt_test.cpp

@@ -16,7 +16,7 @@
 #include <sstream>
 #include <string>
 
-using namespace __orc_rt;
+using namespace orc_rt;
 
 TEST(ADTTest, SpanDefaultConstruction) {
   span<int> S;

compiler-rt/lib/orc/tests/unit/bitmask_enum_test.cpp

@@ -16,17 +16,17 @@
 #include <sstream>
 #include <string>
 
-using namespace __orc_rt;
+using namespace orc_rt;
 
 namespace {
 
 enum Flags { F0 = 0, F1 = 1, F2 = 2, F3 = 4, F4 = 8 };
 
 } // namespace
 
-namespace __orc_rt {
+namespace orc_rt {
 ORC_RT_DECLARE_ENUM_AS_BITMASK(Flags, F4);
-} // namespace __orc_rt
+} // namespace orc_rt
 
 static_assert(is_bitmask_enum<Flags>::value != 0);
 static_assert(largest_bitmask_enum_bit<Flags>::value == Flags::F4);

compiler-rt/lib/orc/tests/unit/endian_test.cpp

@@ -15,7 +15,7 @@
 #include "endianness.h"
 #include "gtest/gtest.h"
 
-using namespace __orc_rt;
+using namespace orc_rt;
 
 TEST(Endian, ByteSwap_32) {
   EXPECT_EQ(0x44332211u, ByteSwap_32(0x11223344));

compiler-rt/lib/orc/tests/unit/error_test.cpp

@@ -17,7 +17,7 @@
 #include "error.h"
 #include "gtest/gtest.h"
 
-using namespace __orc_rt;
+using namespace orc_rt;
 
 namespace {
 

compiler-rt/lib/orc/tests/unit/executor_address_test.cpp

@@ -17,7 +17,7 @@
 #include "executor_address.h"
 #include "gtest/gtest.h"
 
-using namespace __orc_rt;
+using namespace orc_rt;
 
 TEST(ExecutorAddrTest, DefaultAndNull) {
   // Check that default constructed values and isNull behave as expected.

compiler-rt/lib/orc/tests/unit/executor_symbol_def_test.cpp

@@ -10,7 +10,7 @@
 #include "simple_packed_serialization_utils.h"
 #include "gtest/gtest.h"
 
-using namespace __orc_rt;
+using namespace orc_rt;
 
 TEST(ExecutorSymbolDefTest, Serialization) {
   blobSerializationRoundTrip<SPSExecutorSymbolDef>(ExecutorSymbolDef{});

compiler-rt/lib/orc/tests/unit/extensible_rtti_test.cpp

@@ -17,7 +17,7 @@
 #include "extensible_rtti.h"
 #include "gtest/gtest.h"
 
-using namespace __orc_rt;
+using namespace orc_rt;
 
 namespace {
 

compiler-rt/lib/orc/tests/unit/interval_map_test.cpp

@@ -13,7 +13,7 @@
 #include "interval_map.h"
 #include "gtest/gtest.h"
 
-using namespace __orc_rt;
+using namespace orc_rt;
 
 TEST(IntervalMapTest, DefaultConstructed) {
   // Check that a default-constructed IntervalMap behaves as expected.

compiler-rt/lib/orc/tests/unit/interval_set_test.cpp

@@ -13,7 +13,7 @@
 #include "interval_set.h"
 #include "gtest/gtest.h"
 
-using namespace __orc_rt;
+using namespace orc_rt;
 
 TEST(IntervalSetTest, DefaultConstructed) {
   // Check that a default-constructed IntervalSet behaves as expected.