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-rw-r--r--clang/test/ASTMerge/function.c9
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diff --git a/clang/test/ASTMerge/function.c b/clang/test/ASTMerge/function.c
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+// RUN: %clang_cc1 -emit-pch -o %t.1.ast %S/Inputs/function1.c
+// RUN: %clang_cc1 -emit-pch -o %t.2.ast %S/Inputs/function2.c
+// RUN: %clang_cc1 -ast-merge %t.1.ast -ast-merge %t.2.ast -fsyntax-only %s 2>&1 | FileCheck %s
+
+// CHECK: function2.c:3:6: error: external function 'f1' declared with incompatible types in different translation units ('void (Int, double)' vs. 'void (int, float)')
+// CHECK: function1.c:2:6: note: declared here with type 'void (int, float)'
+// CHECK: function2.c:5:6: error: external function 'f3' declared with incompatible types in different translation units ('void (int)' vs. 'void (void)')
+// CHECK: function1.c:4:6: note: declared here with type 'void (void)'
+// CHECK: 2 errors generated