Finally get the test suite passing in C++03!!

After months of work there are only 4 tests still failing in C++03.
This patch fixes those tests.

All of the libc++ builders should be green.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@246275 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/re/re.alg/re.alg.search/grep.pass.cpp

@@ -19,6 +19,7 @@
 #include <regex>
 #include <cassert>
 
+#include "test_macros.h"
 #include "test_iterators.h"
 
 extern "C" void LLVMFuzzerTestOneInput(const char *data)
@@ -40,7 +41,10 @@ extern "C" void LLVMFuzzerTestOneInput(const char *data)
 
 void fuzz_tests()  // patterns that the fuzzer has found
 {
+// Raw string literals are a C++11
+#if TEST_STD_VER >= 11
     LLVMFuzzerTestOneInput(R"XX(Õ)_%()()((\8'_%()_%()_%()_%(()_%()_%()_%(.t;)()¥f()_%()(.)_%;)()!¥f(((()()XX");
+#endif
 }
 
 int main()