Properly check for a constant initializer for a thread-local variable.

llvm-svn: 179516
diff --git a/clang/test/Sema/thread-specifier.c b/clang/test/Sema/thread-specifier.c
index ccffe73..01bb8f7 100644
--- a/clang/test/Sema/thread-specifier.c
+++ b/clang/test/Sema/thread-specifier.c
@@ -108,3 +108,5 @@
 #endif
 #endif
 #endif
+
+__thread int aggregate[10] = {0};