Add a simple PCH test for _Atomic.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141409 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/PCH/types.c b/test/PCH/types.c
index ba00dc6..fc37a9c 100644
--- a/test/PCH/types.c
+++ b/test/PCH/types.c
@@ -14,12 +14,14 @@
 ASInt *as_int_ptr1 = &int_value;  // expected-error{{changes address space of pointer}}
 ASInt *as_int_ptr2 = &int_as_one;
 
-// FIXME: TYPE_FIXED_WIDTH_INT
-
 // TYPE_COMPLEX
 _Complex float Cfloat_val;
 Cfloat *Cfloat_ptr = &Cfloat_val;
 
+// TYPE_ATOMIC
+_Atomic(int) AtomicInt_val;
+AtomicInt *AtomicInt_ptr = &AtomicInt_val;
+
 // TYPE_POINTER
 int_ptr int_value_ptr = &int_value;
 
diff --git a/test/PCH/types.h b/test/PCH/types.h
index ab42331..7df3f99 100644
--- a/test/PCH/types.h
+++ b/test/PCH/types.h
@@ -3,11 +3,12 @@
 // TYPE_EXT_QUAL
 typedef __attribute__((address_space(1))) int ASInt;
 
-// FIXME: TYPE_FIXED_WIDTH_INT
-
 // TYPE_COMPLEX
 typedef _Complex float Cfloat;
 
+// TYPE_ATOMIC
+typedef _Atomic(int) AtomicInt;
+
 // TYPE_POINTER
 typedef int * int_ptr;