From 9dd834653b811ad20382e98a87dff824980c9916 Mon Sep 17 00:00:00 2001 From: dim Date: Sun, 21 Jun 2015 14:00:56 +0000 Subject: Vendor import of clang trunk r240225: https://llvm.org/svn/llvm-project/cfe/trunk@240225 --- test/Sema/non-null-warning.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 test/Sema/non-null-warning.c (limited to 'test/Sema/non-null-warning.c') diff --git a/test/Sema/non-null-warning.c b/test/Sema/non-null-warning.c new file mode 100644 index 0000000..6cd98e2 --- /dev/null +++ b/test/Sema/non-null-warning.c @@ -0,0 +1,42 @@ +// RUN: %clang_cc1 -fsyntax-only -Wnonnull -Wnullability %s -verify +// rdar://19160762 + +#if __has_feature(nullability) +#else +# error nullability feature should be defined +#endif + + +int * __nullable foo(int * __nonnull x); + +int *__nonnull ret_nonnull(); + +int *foo(int *x) { + return 0; +} + +int * __nullable foo1(int * __nonnull x); // expected-note {{previous declaration is here}} + +int *foo1(int * __nullable x) { // expected-warning {{nullability specifier '__nullable' conflicts with existing specifier '__nonnull'}} + return 0; +} + +int * __nullable foo2(int * __nonnull x); + +int *foo2(int * __nonnull x) { + return 0; +} + +int * __nullable foo3(int * __nullable x); // expected-note {{previous declaration is here}} + +int *foo3(int * __nonnull x) { // expected-warning {{nullability specifier '__nonnull' conflicts with existing specifier '__nullable'}} + return 0; +} + +int * ret_nonnull() { + return 0; // expected-warning {{null returned from function that requires a non-null return value}} +} + +int main () { + foo(0); // expected-warning {{null passed to a callee that requires a non-null argument}} +} -- cgit v1.1