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diff gcc/testsuite/c-c++-common/Wimplicit-fallthrough-12.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/c-c++-common/Wimplicit-fallthrough-12.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,26 @@
+/* PR c/7652 */
+/* { dg-do compile } */
+/* { dg-options "-Wimplicit-fallthrough -O2" } */
+
+/* Don't let optimizations preclude the warning.  */
+
+extern void bar (int);
+
+void
+f (int i)
+{
+  switch (i)
+    {
+    case 1:
+      if (i > 1)
+	bar (1);
+      else
+	goto D;
+      break;
+    case 2:
+      bar (2); /* { dg-warning "statement may fall through" } */
+    D:
+    default:
+      bar (33);
+    }
+}