File: pragma_assume_nonnull.c

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llvm-toolchain-21 1%3A21.1.6-3
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// RUN: %clang_cc1 -fsyntax-only -verify %s
// RUN: %clang_cc1 -E %s | FileCheck %s

// CHECK: #pragma clang assume_nonnull begin
#pragma clang assume_nonnull begin

int bar(int * ip) { return *ip; }

// CHECK: #pragma clang assume_nonnull end
#pragma clang assume_nonnull end

int foo(int * _Nonnull ip) { return *ip; }

int main(void) {
   return bar(0) + foo(0); // expected-warning 2 {{null passed to a callee that requires a non-null argument}}
}