Remove usages of _LIBCPP_MSVC which is never defined

llvm-svn: 302736
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 0c6e7ae4cc8039af611d7a5cf153d9bb7664f3e2
diff --git a/include/__config b/include/__config
index 708f400..4ad700e 100644
--- a/include/__config
+++ b/include/__config
@@ -974,7 +974,7 @@
 #  if defined(__GNUC__) && ((__GNUC__ >= 5) || (__GNUC__ == 4 && \
    (__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2))) && !defined(__GXX_RTTI)
 #    define _LIBCPP_NO_RTTI
-#  elif defined(_LIBCPP_MSVC) && !defined(_CPPRTTI)
+#  elif defined(_LIBCPP_COMPILER_MSVC) && !defined(_CPPRTTI)
 #    define _LIBCPP_NO_RTTI
 #  endif
 #endif
diff --git a/include/__undef_min_max b/include/__undef_min_max
index f4ca091..71db396 100644
--- a/include/__undef_min_max
+++ b/include/__undef_min_max
@@ -10,7 +10,7 @@
 
 #ifdef min
 #if !defined(_LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS)
-#if defined(_LIBCPP_MSVC)
+#if defined(_LIBCPP_WARNING)
 _LIBCPP_WARNING("macro min is incompatible with C++.  Try #define NOMINMAX "
                 "before any Windows header. #undefing min")
 #else
@@ -22,7 +22,7 @@
 
 #ifdef max
 #if !defined(_LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS)
-#if defined(_LIBCPP_MSVC)
+#if defined(_LIBCPP_WARNING)
 _LIBCPP_WARNING("macro max is incompatible with C++.  Try #define NOMINMAX "
                 "before any Windows header. #undefing max")
 #else
diff --git a/include/ext/hash_map b/include/ext/hash_map
index 66f2b11..998e8f6 100644
--- a/include/ext/hash_map
+++ b/include/ext/hash_map
@@ -207,7 +207,7 @@
 #include <ext/__hash>
 
 #if __DEPRECATED
-#if defined(_LIBCPP_MSVC)
+#if defined(_LIBCPP_WARNING)
     _LIBCPP_WARNING("Use of the header <ext/hash_map> is deprecated.  Migrate to <unordered_map>")
 #else
 #   warning Use of the header <ext/hash_map> is deprecated.  Migrate to <unordered_map>
diff --git a/include/ext/hash_set b/include/ext/hash_set
index 916ed69..38f81ed 100644
--- a/include/ext/hash_set
+++ b/include/ext/hash_set
@@ -199,7 +199,7 @@
 #include <ext/__hash>
 
 #if __DEPRECATED
-#if defined(_LIBCPP_MSVC)
+#if defined(_LIBCPP_WARNING)
     _LIBCPP_WARNING("Use of the header <ext/hash_set> is deprecated.  Migrate to <unordered_set>")
 #else
 #   warning Use of the header <ext/hash_set> is deprecated.  Migrate to <unordered_set>
diff --git a/src/include/atomic_support.h b/src/include/atomic_support.h
index 378541b..08847e6 100644
--- a/src/include/atomic_support.h
+++ b/src/include/atomic_support.h
@@ -29,7 +29,7 @@
 #endif
 
 #if !defined(_LIBCPP_HAS_ATOMIC_BUILTINS) && !defined(_LIBCPP_HAS_NO_THREADS)
-# if defined(_LIBCPP_MSVC)
+# if defined(_LIBCPP_WARNING)
     _LIBCPP_WARNING("Building libc++ without __atomic builtins is unsupported")
 # else
 #   warning Building libc++ without __atomic builtins is unsupported
diff --git a/src/thread.cpp b/src/thread.cpp
index 3f283c3..412a8fa 100644
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -99,7 +99,7 @@
 #else  // defined(CTL_HW) && defined(HW_NCPU)
     // TODO: grovel through /proc or check cpuid on x86 and similar
     // instructions on other architectures.
-#   if defined(_LIBCPP_MSVC)
+#   if defined(_LIBCPP_WARNING)
         _LIBCPP_WARNING("hardware_concurrency not yet implemented")
 #   else
 #       warning hardware_concurrency not yet implemented
diff --git a/test/std/utilities/function.objects/func.not_fn/not_fn.pass.cpp b/test/std/utilities/function.objects/func.not_fn/not_fn.pass.cpp
index 2b19211..aa8eb39 100644
--- a/test/std/utilities/function.objects/func.not_fn/not_fn.pass.cpp
+++ b/test/std/utilities/function.objects/func.not_fn/not_fn.pass.cpp
@@ -416,7 +416,7 @@
       ThrowsOnCopy() = default;
       bool operator()() const {
         assert(false);
-#if defined(_LIBCPP_MSVC)
+#if defined(TEST_COMPILER_C1XX)
         __assume(0);
 #else
         __builtin_unreachable();