Re-add the check for __has_attribute in StringLiteral.

llvm-svn: 289858
2016-12-15 19:33:31 +00:00 · 2016-12-15 19:33:31 +00:00 · 578113ffb7
parent b76f6c2745
commit 578113ffb7
1 changed files with 1 additions and 1 deletions
--- a/llvm/include/llvm/ADT/StringRef.h
+++ b/llvm/include/llvm/ADT/StringRef.h
@ -847,7 +847,7 @@ namespace llvm {
  public:
    template <size_t N>
    constexpr StringLiteral(const char (&Str)[N])
-#if defined(__clang__)
+#if defined(__clang__) && __has_attribute(enable_if)
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wgcc-compat"
        __attribute((enable_if(__builtin_strlen(Str) == N - 1,