Reword the empty struct/union warning in C to note that such structs and unions have size 0 in C, size 1 in C++. Put this warning under -Wc++-compat.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109748 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/array-init.c b/test/Sema/array-init.c
index f93b087..c042943 100644
--- a/test/Sema/array-init.c
+++ b/test/Sema/array-init.c
@@ -218,7 +218,8 @@
}
// PR2151
-void emptyInit() {struct {} x[] = {6};} //expected-warning{{empty struct extension}} expected-error{{initializer for aggregate with no elements}}
+void emptyInit() {struct {} x[] = {6};} //expected-warning{{empty struct (accepted as an extension) has size 0 in C, size 1 in C++}} \
+// expected-error{{initializer for aggregate with no elements}}
void noNamedInit() {
struct {int:5;} x[] = {6}; //expected-error{{initializer for aggregate with no elements}}
@@ -241,7 +242,8 @@
};
static void sppp_ipv6cp_up();
-const struct {} ipcp = { sppp_ipv6cp_up }; //expected-warning{{empty struct extension}} expected-warning{{excess elements in struct initializer}}
+const struct {} ipcp = { sppp_ipv6cp_up }; //expected-warning{{empty struct (accepted as an extension) has size 0 in C, size 1 in C++}} \
+// expected-warning{{excess elements in struct initializer}}
struct _Matrix { union { float m[4][4]; }; }; //expected-warning{{anonymous unions are a GNU extension in C}}
typedef struct _Matrix Matrix;