// RUN: %clang_cc1 -emit-pch -o %t.1.ast %S/Inputs/enum1.c
// RUN: %clang_cc1 -emit-pch -o %t.2.ast %S/Inputs/enum2.c
// RUN: %clang_cc1 -ast-merge %t.1.ast -ast-merge %t.2.ast -fsyntax-only %s 2>&1 | FileCheck %s

// CHECK: enum1.c:9:6: warning: type 'enum E2' has incompatible definitions in different translation units
// CHECK: enum1.c:11:3: note: enumerator 'E2Enumerator2' with value 3 here
// CHECK: enum2.c:11:3: note: enumerator 'E2Enumerator2' with value 4 here
// CHECK: enum2.c:13:3: warning: external variable 'x2' declared with incompatible types in different translation units ('enum E2' vs. 'enum E2')
// CHECK: enum1.c:13:3: note: declared here with type 'enum E2'
// CHECK: enum1.c:16:6: warning: type 'enum E3' has incompatible definitions in different translation units
// CHECK: enum1.c:18:3: note: enumerator 'E3Enumerator2' with value 3 here
// CHECK: enum2.c:18:3: note: enumerator 'E3Enumerator' with value 3 here
// CHECK: enum2.c:20:3: warning: external variable 'x3' declared with incompatible types in different translation units ('enum E3' vs. 'enum E3')
// CHECK: enum1.c:20:3: note: declared here with type 'enum E3'
// CHECK: enum1.c:23:6: warning: type 'enum E4' has incompatible definitions in different translation units
// CHECK: enum1.c:26:3: note: enumerator 'E4Enumerator3' with value 2 here
// CHECK: enum2.c:23:6: note: no corresponding enumerator here
// CHECK: enum2.c:26:3: warning: external variable 'x4' declared with incompatible types in different translation units ('enum E4' vs. 'enum E4')
// CHECK: enum1.c:27:3: note: declared here with type 'enum E4'
// CHECK: enum1.c:30:6: warning: type 'enum E5' has incompatible definitions in different translation units
// CHECK: enum2.c:33:3: note: enumerator 'E5Enumerator4' with value 3 here
// CHECK: enum1.c:30:6: note: no corresponding enumerator here
// CHECK: enum2.c:34:3: warning: external variable 'x5' declared with incompatible types in different translation units ('enum E5' vs. 'enum E5')
// CHECK: enum1.c:34:3: note: declared here with type 'enum E5'
// CHECK: 8 warnings generated