1 // RUN: %clang_cc1 -fsyntax-only -std=c99 -Wno-nullability-declspec -pedantic %s -verify
2 
3 _Nonnull int *ptr; // expected-warning{{type nullability specifier '_Nonnull' is a Clang extension}}
4 
5 #pragma clang diagnostic push
6 #pragma clang diagnostic ignored "-Wnullability-extension"
7 _Nonnull int *ptr2; // no-warning
8 #pragma clang diagnostic pop
9 
10 #if !__has_feature(nullability)
11 #  error Nullability should always be supported
12 #endif
13 
14 #if !__has_extension(nullability)
15 #  error Nullability should always be supported as an extension
16 #endif
17