[libclang 8/8] Add support for the flag_enum attribute

Summary:
This adds support to libclang for reading the flag_enum attribute.

This also bumps CINDEX_VERSION_MINOR for this patch series.

Reviewers: yvvan, jbcoe

Reviewed By: yvvan

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D49635

llvm-svn: 338820
diff --git a/clang/test/Index/attributes.c b/clang/test/Index/attributes.c
index 95d9c75..e3b2c1a 100644
--- a/clang/test/Index/attributes.c
+++ b/clang/test/Index/attributes.c
@@ -8,6 +8,10 @@
 void const_fn() __attribute__((const));
 void noduplicate_fn() __attribute__((noduplicate));
 
+enum __attribute((flag_enum)) FlagEnum {
+  Foo
+};
+
 // CHECK: attributes.c:3:32: StructDecl=Test2:3:32 (Definition) Extent=[3:1 - 5:2]
 // CHECK: attributes.c:3:23: attribute(packed)=packed Extent=[3:23 - 3:29]
 // CHECK: attributes.c:4:8: FieldDecl=a:4:8 (Definition) Extent=[4:3 - 4:9] [access=public]
@@ -18,3 +22,5 @@
 // CHECK: attributes.c:8:32: attribute(const)= Extent=[8:32 - 8:37]
 // CHECK: attributes.c:9:6: FunctionDecl=noduplicate_fn:9:6 Extent=[9:1 - 9:51]
 // CHECK: attributes.c:9:38: attribute(noduplicate)= Extent=[9:38 - 9:49]
+// CHECK: attributes.c:11:31: EnumDecl=FlagEnum:11:31 (Definition) Extent=[11:1 - 13:2]
+// CHECK: attributes.c:11:19: attribute(flag_enum)= Extent=[11:19 - 11:28]