1 files changed, 42 insertions, 0 deletions
diff --git a/test/ASTMerge/struct/test.c b/test/ASTMerge/struct/test.c
new file mode 100644
index 000000000000..4f41cea26b18
--- /dev/null
+++ b/test/ASTMerge/struct/test.c
@@ -0,0 +1,42 @@
+// RUN: %clang_cc1 -emit-pch -o %t.1.ast %S/Inputs/struct1.c
+// RUN: %clang_cc1 -emit-pch -o %t.2.ast %S/Inputs/struct2.c
+// RUN: not %clang_cc1 -ast-merge %t.1.ast -ast-merge %t.2.ast -fsyntax-only %s 2>&1 | FileCheck %s
+
+// CHECK: struct1.c:13:8: warning: type 'struct S1' has incompatible definitions in different translation units
+// CHECK: struct1.c:15:7: note: field 'field2' has type 'int' here
+// CHECK: struct2.c:12:9: note: field 'field2' has type 'float' here
+// CHECK: struct2.c:15:11: error: external variable 'x1' declared with incompatible types in different translation units ('struct S1' vs. 'struct S1')
+// CHECK: struct1.c:18:11: note: declared here with type 'struct S1'
+// CHECK: struct1.c:21:8: warning: type 'struct S2' has incompatible definitions in different translation units
+// CHECK: struct2.c:18:7: note: 'S2' is a union here
+// CHECK: struct2.c:18:30: error: external variable 'x2' declared with incompatible types in different translation units ('union S2' vs. 'struct S2')
+// CHECK: struct1.c:21:31: note: declared here with type 'struct S2'
+// CHECK: struct1.c:24:8: warning: type 'struct S3' has incompatible definitions in different translation units
+// CHECK: struct1.c:24:36: note: field 'd' has type 'double' here
+// CHECK: struct2.c:21:8: note: no corresponding field here
+// CHECK: struct2.c:21:31: error: external variable 'x3' declared with incompatible types in different translation units ('struct S3' vs. 'struct S3')
+// CHECK: struct1.c:24:41: note: declared here with type 'struct S3'
+// CHECK: struct1.c:27:8: warning: type 'struct S4' has incompatible definitions in different translation units
+// CHECK: struct2.c:24:26: note: field 'f' has type 'float' here
+// CHECK: struct1.c:27:8: note: no corresponding field here
+// CHECK: struct2.c:24:31: error: external variable 'x4' declared with incompatible types in different translation units ('struct S4' vs. 'struct S4')
+// CHECK: struct1.c:27:22: note: declared here with type 'struct S4'
+// CHECK: struct1.c:33:8: warning: type 'struct S6' has incompatible definitions in different translation units
+// CHECK: struct1.c:33:33: note: bit-field 'j' with type 'unsigned int' and length 8 here
+// CHECK: struct2.c:30:33: note: field 'j' is not a bit-field
+// CHECK: struct2.c:30:38: error: external variable 'x6' declared with incompatible types in different translation units ('struct S6' vs. 'struct S6')
+// CHECK: struct1.c:33:42: note: declared here with type 'struct S6'
+// CHECK: struct1.c:36:8: warning: type 'struct S7' has incompatible definitions in different translation units
+// CHECK: struct1.c:36:33: note: bit-field 'j' with type 'unsigned int' and length 8 here
+// CHECK: struct2.c:33:33: note: bit-field 'j' with type 'unsigned int' and length 16 here
+// CHECK: struct2.c:33:43: error: external variable 'x7' declared with incompatible types in different translation units ('struct S7' vs. 'struct S7')
+// CHECK: struct1.c:36:42: note: declared here with type 'struct S7'
+// CHECK: struct1.c:56:10: warning: type 'struct DeeperError' has incompatible definitions in different translation units
+// CHECK: struct1.c:56:35: note: field 'f' has type 'int' here
+// CHECK: struct2.c:53:37: note: field 'f' has type 'float' here
+// CHECK: struct1.c:54:8: warning: type 'struct DeepError' has incompatible definitions in different translation units
+// CHECK: struct1.c:56:41: note: field 'Deeper' has type 'struct DeeperError *' here
+// CHECK: struct2.c:53:43: note: field 'Deeper' has type 'struct DeeperError *' here
+// CHECK: struct2.c:54:3: error: external variable 'xDeep' declared with incompatible types in different translation units ('struct DeepError' vs. 'struct DeepError')
+// CHECK: struct1.c:57:3: note: declared here with type 'struct DeepError'
+// CHECK: 8 warnings and 7 errors generated