[Modules][ObjC] Check definition from canonical decl on designated initializers

Use definition from canonical decl when checking for designated
initializers. This is necessary since deserialization of a interface
might reuse the definition from the canonical one (see r281119).

rdar://problem/29360655

llvm-svn: 301382

1 files changed, 9 insertions, 0 deletions

diff --git a/clang/test/Modules/Inputs/objc-desig-init/module.modulemap b/clang/test/Modules/Inputs/objc-desig-init/module.modulemap
new file mode 100644
index 00000000000..0150efb8eb1
--- /dev/null
+++ b/clang/test/Modules/Inputs/objc-desig-init/module.modulemap
@@ -0,0 +1,9 @@
+module Base {
+  header "Base.h"
+  export *
+}
+
+module A {
+  header "A.h"
+  export *
+}