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diff gcc/testsuite/gcc.dg/pr52283.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/gcc.dg/pr52283.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,17 @@
+/* Test for case labels not integer constant expressions but folding
+   to integer constants (used in Linux kernel).  */
+/* { dg-do compile } */
+/* { dg-options "-pedantic" } */
+
+extern unsigned int u;
+
+void
+b (int c)
+{
+  switch (c)
+    {
+    case (int) (2  | ((4 < 8) ? 8 : u)): /* { dg-warning "case label is not an integer constant expression" } */
+      ;
+    }
+}
+