// RUN: %clang -x c-header %s -Weverything -o %t.h.pch // RUN: %clang -x c %s -w -include %t.h -fsyntax-only -Xclang -verify #ifndef HEADER #define HEADER extern int foo; #else void f() { int a = foo; // Make sure we parsed this by getting an error. int b = bar; // expected-error {{undeclared}} } #endif