1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/if-empty-1.c b/gcc/testsuite/gcc.dg/if-empty-1.c
new file mode 100644
index 00000000000..a3156c1a7f8
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/if-empty-1.c
@@ -0,0 +1,23 @@
+/* Test diagnostics for empty bodies in if / else.  */
+/* Origin: Joseph Myers <joseph@codesourcery.com> */
+/* { dg-do compile } */
+/* { dg-options "-Wextra" } */
+
+void
+f (int x)
+{
+  if (x)
+    ; /* { dg-warning "warning: empty body in an if-statement" } */
+  if (x)
+    ; /* By design we don't warn in this case.  */
+  else
+    (void)0;
+  if (x)
+    (void)0;
+  else
+    ; /* { dg-warning "warning: empty body in an else-statement" } */
+  if (x)
+    (void)0;
+  else
+    (void)0;
+}