File: incomplete-call.c

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flang 20181226-2
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// RUN: %clang_cc1 -fsyntax-only -verify %s

struct foo; // expected-note 3 {{forward declaration of 'struct foo'}}

struct foo a(); // expected-note {{'a' declared here}}
void b(struct foo);
void c();

void func(void *p) {
  a(); // expected-error{{calling 'a' with incomplete return type 'struct foo'}}
  b(*(struct foo*)p); // expected-error{{argument type 'struct foo' is incomplete}}
  c(*(struct foo*)p); // expected-error{{argument type 'struct foo' is incomplete}}
}