1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/dfp/keywords-reserved.c b/gcc/testsuite/gcc.dg/dfp/keywords-reserved.c
new file mode 100644
index 000000000..1117ae8d9
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/dfp/keywords-reserved.c
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+
+/* N1150 3: Decimal floating types.
+   C99 6.4.1(2): Keywords.
+   Decimal float keywords cannot be used in other contexts.  */
+
+int _Decimal32 (void)		/* { dg-error "" } */
+{
+  return 0;
+}
+
+int foo (int i)
+{
+  int _Decimal64 = i * 2;	/* { dg-error "" } */
+  return _Decimal64;		/* { dg-error "" } */
+}