1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c
index 33804c4..b3579f6 100644
--- a/gcc/c-common.c
+++ b/gcc/c-common.c
@@ -321,6 +321,8 @@ check_case_value (value)
     /* Promote char or short to int.  */
     value = default_conversion (value);
 
+  constant_expression_warning (value);
+
   return value;
 }