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-rw-r--r--test/Index/pch-from-libclang.c27
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diff --git a/test/Index/pch-from-libclang.c b/test/Index/pch-from-libclang.c
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+++ b/test/Index/pch-from-libclang.c
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+// Check that clang can use a PCH created from libclang.
+
+// FIXME: Non-darwin bots fail. Would need investigation using -module-file-info to see what is the difference in modules generated from libclang vs the compiler invocation, in those systems.
+// REQUIRES: system-darwin
+
+// RUN: %clang_cc1 -fsyntax-only %s -verify
+// RUN: c-index-test -write-pch %t.h.pch %s -fmodules -fmodules-cache-path=%t.mcp -Xclang -triple -Xclang x86_64-apple-darwin
+// RUN: %clang -fsyntax-only -include %t.h %s -Xclang -verify -fmodules -fmodules-cache-path=%t.mcp -Xclang -detailed-preprocessing-record -Xclang -triple -Xclang x86_64-apple-darwin -Xclang -fallow-pch-with-compiler-errors
+// RUN: %clang -x c-header %s -o %t.clang.h.pch -fmodules -fmodules-cache-path=%t.mcp -Xclang -detailed-preprocessing-record -Xclang -triple -Xclang x86_64-apple-darwin -Xclang -fallow-pch-with-compiler-errors -Xclang -verify
+// RUN: c-index-test -test-load-source local %s -include %t.clang.h -fmodules -fmodules-cache-path=%t.mcp -Xclang -triple -Xclang x86_64-apple-darwin | FileCheck %s
+
+#ifndef HEADER
+#define HEADER
+
+void some_function(undeclared_type p); // expected-error{{unknown type name}}
+
+struct S { int x; };
+
+#else
+// expected-no-diagnostics
+
+void test(struct S *s) {
+ // CHECK: [[@LINE+1]]:6: MemberRefExpr=x:[[@LINE-6]]:16
+ s->x = 0;
+}
+
+#endif