Implement AST merging for Objective-C properties.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@96483 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 34 insertions, 0 deletions

diff --git a/test/ASTMerge/Inputs/property1.m b/test/ASTMerge/Inputs/property1.m
new file mode 100644
index 0000000000..37887a34f7
--- /dev/null
+++ b/test/ASTMerge/Inputs/property1.m
@@ -0,0 +1,12 @@
+// Matching properties
+@interface I1 {
+}
+- (int)getProp2;
+- (void)setProp2:(int)value;
+@end
+
+// Mismatched property
+@interface I2
+@property (readonly) float Prop1;
+@end
+
diff --git a/test/ASTMerge/Inputs/property2.m b/test/ASTMerge/Inputs/property2.m
new file mode 100644
index 0000000000..6039f10ec6
--- /dev/null
+++ b/test/ASTMerge/Inputs/property2.m
@@ -0,0 +1,13 @@
+// Matching properties
+@interface I1 {
+}
+- (int)getProp2;
+- (void)setProp2:(int)value;
+@property (readonly) int Prop1;
+@property (getter = getProp2, setter = setProp2:) int Prop2;
+@end
+
+// Mismatched property
+@interface I2
+@property (readonly) int Prop1;
+@end
diff --git a/test/ASTMerge/property.m b/test/ASTMerge/property.m
new file mode 100644
index 0000000000..0fd7e4872d
--- /dev/null
+++ b/test/ASTMerge/property.m
@@ -0,0 +1,9 @@
+// RUN: %clang_cc1 -emit-pch -o %t.1.ast %S/Inputs/property1.m
+// RUN: %clang_cc1 -emit-pch -o %t.2.ast %S/Inputs/property2.m
+// RUN: %clang_cc1 -ast-merge %t.1.ast -ast-merge %t.2.ast -fsyntax-only %s 2>&1 | FileCheck %s
+
+// CHECK: property2.m:12:26: error: property 'Prop1' declared with incompatible types in different translation units ('int' vs. 'float')
+// CHECK: property1.m:10:28: note: declared here with type 'float'
+// CHECK: property2.m:12:26: error: instance method 'Prop1' has incompatible result types in different translation units ('int' vs. 'float')
+// CHECK: property1.m:10:28: note: instance method 'Prop1' also declared here
+// CHECK: 4 diagnostics generated.