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      1 // RUN: %clang_cc1 -emit-pch -o %t.1.ast %S/Inputs/struct1.c
      2 // RUN: %clang_cc1 -emit-pch -o %t.2.ast %S/Inputs/struct2.c
      3 // RUN: %clang_cc1 -ast-merge %t.1.ast -ast-merge %t.2.ast -fsyntax-only %s 2>&1 | FileCheck %s
      4 
      5 // CHECK: struct1.c:13:8: warning: type 'struct S1' has incompatible definitions in different translation units
      6 // CHECK: struct1.c:15:7: note: field 'field2' has type 'int' here
      7 // CHECK: struct2.c:12:9: note: field 'field2' has type 'float' here
      8 // CHECK: struct2.c:15:11: error: external variable 'x1' declared with incompatible types in different translation units ('struct S1' vs. 'struct S1')
      9 // CHECK: struct1.c:18:11: note: declared here with type 'struct S1'
     10 // CHECK: struct1.c:21:8: warning: type 'struct S2' has incompatible definitions in different translation units
     11 // CHECK: struct2.c:18:7: note: 'S2' is a union here
     12 // CHECK: struct2.c:18:30: error: external variable 'x2' declared with incompatible types in different translation units ('union S2' vs. 'struct S2')
     13 // CHECK: struct1.c:21:31: note: declared here with type 'struct S2'
     14 // CHECK: struct1.c:24:8: warning: type 'struct S3' has incompatible definitions in different translation units
     15 // CHECK: struct1.c:24:36: note: field 'd' has type 'double' here
     16 // CHECK: struct2.c:21:8: note: no corresponding field here
     17 // CHECK: struct2.c:21:31: error: external variable 'x3' declared with incompatible types in different translation units ('struct S3' vs. 'struct S3')
     18 // CHECK: struct1.c:24:41: note: declared here with type 'struct S3'
     19 // CHECK: struct1.c:27:8: warning: type 'struct S4' has incompatible definitions in different translation units
     20 // CHECK: struct2.c:24:26: note: field 'f' has type 'float' here
     21 // CHECK: struct1.c:27:8: note: no corresponding field here
     22 // CHECK: struct2.c:24:31: error: external variable 'x4' declared with incompatible types in different translation units ('struct S4' vs. 'struct S4')
     23 // CHECK: struct1.c:27:22: note: declared here with type 'struct S4'
     24 // CHECK: struct1.c:33:8: warning: type 'struct S6' has incompatible definitions in different translation units
     25 // CHECK: struct1.c:33:33: note: bit-field 'j' with type 'unsigned int' and length 8 here
     26 // CHECK: struct2.c:30:33: note: field 'j' is not a bit-field
     27 // CHECK: struct2.c:30:38: error: external variable 'x6' declared with incompatible types in different translation units ('struct S6' vs. 'struct S6')
     28 // CHECK: struct1.c:33:42: note: declared here with type 'struct S6'
     29 // CHECK: struct1.c:36:8: warning: type 'struct S7' has incompatible definitions in different translation units
     30 // CHECK: struct1.c:36:33: note: bit-field 'j' with type 'unsigned int' and length 8 here
     31 // CHECK: struct2.c:33:33: note: bit-field 'j' with type 'unsigned int' and length 16 here
     32 // CHECK: struct2.c:33:43: error: external variable 'x7' declared with incompatible types in different translation units ('struct S7' vs. 'struct S7')
     33 // CHECK: struct1.c:36:42: note: declared here with type 'struct S7'
     34 // CHECK: struct1.c:56:10: warning: type 'struct DeeperError' has incompatible definitions in different translation units
     35 // CHECK: struct1.c:56:35: note: field 'f' has type 'int' here
     36 // CHECK: struct2.c:53:37: note: field 'f' has type 'float' here
     37 // CHECK: struct1.c:54:8: warning: type 'struct DeepError' has incompatible definitions in different translation units
     38 // CHECK: struct1.c:56:41: note: field 'Deeper' has type 'struct DeeperError *' here
     39 // CHECK: struct2.c:53:43: note: field 'Deeper' has type 'struct DeeperError *' here
     40 // CHECK: struct2.c:54:3: error: external variable 'xDeep' declared with incompatible types in different translation units ('struct DeepError' vs. 'struct DeepError')
     41 // CHECK: struct1.c:57:3: note: declared here with type 'struct DeepError'
     42 // CHECK: 8 warnings and 7 errors generated
     43