// RUN: %clang_cc1 -fsyntax-only -std=c99 -Wno-nullability-declspec -pedantic %s -verify _Nonnull int *ptr; // expected-warning{{type nullability specifier '_Nonnull' is a Clang extension}} #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wnullability-extension" _Nonnull int *ptr2; // no-warning #pragma clang diagnostic pop #if !__has_feature(nullability) # error Nullability should always be supported #endif #if !__has_feature(nullability_on_arrays) # error Nullability on array parameters should always be supported #endif #if !__has_extension(nullability) # error Nullability should always be supported as an extension #endif #if !__has_extension(nullability_on_arrays) # error Nullability on array parameters should always be supported as an extension #endif