[libclang] Fix crash when indexing attributes, rdar://10702250.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148524 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Index/index-attrs.m b/test/Index/index-attrs.m
new file mode 100644
index 0000000..1609b0f
--- /dev/null
+++ b/test/Index/index-attrs.m
@@ -0,0 +1,7 @@
+@class Foo;
+@interface Bar
+@property (retain) __attribute__((iboutletcollection(Foo))) Foo *prop;
+@end
+
+// RUN: c-index-test -index-file %s | FileCheck %s
+// CHECK:      <attribute>: attribute(iboutletcollection)= [IBOutletCollection=ObjCInterface]
diff --git a/tools/libclang/IndexingContext.cpp b/tools/libclang/IndexingContext.cpp
index 1c58d23..3d70144 100644
--- a/tools/libclang/IndexingContext.cpp
+++ b/tools/libclang/IndexingContext.cpp
@@ -49,7 +49,7 @@
 
 IBOutletCollectionInfo::IBOutletCollectionInfo(
                                           const IBOutletCollectionInfo &other)
-  : AttrInfo(CXIdxAttr_IBOutletCollection, other.cursor, other.loc, A) {
+  : AttrInfo(CXIdxAttr_IBOutletCollection, other.cursor, other.loc, other.A) {
 
   IBCollInfo.attrInfo = this;
   IBCollInfo.classCursor = other.IBCollInfo.classCursor;