--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/Sema/invalid-decl.c	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,50 @@
+// RUN: %clang_cc1 %s -fsyntax-only -verify
+
+void test() {
+    char = 4;  // expected-error {{expected identifier}}
+}
+
+
+// PR2400
+typedef xtype (*x)(void* handle); // expected-error {{function cannot return function type}} expected-warning {{type specifier missing, defaults to 'int'}} expected-warning {{type specifier missing, defaults to 'int'}}
+
+typedef void ytype();
+
+
+typedef struct _zend_module_entry zend_module_entry;
+struct _zend_module_entry {
+    ytype globals_size; // expected-error {{field 'globals_size' declared as a function}}
+};
+
+zend_module_entry openssl_module_entry = {
+    sizeof(zend_module_entry)
+};
+
+// <rdar://problem/11067144>
+typedef int (FunctionType)(int *value);
+typedef struct {
+  UndefinedType undef; // expected-error {{unknown type name 'UndefinedType'}}
+  FunctionType fun; // expected-error {{field 'fun' declared as a function}}
+} StructType;
+void f(StructType *buf) {
+  buf->fun = 0;
+}
+
+// rdar://11743706
+static void bar(hid_t, char); // expected-error {{expected identifier}}
+
+static void bar(hid_t p, char); // expected-error {{unknown type name 'hid_t'}}
+
+void foo() {
+  (void)bar;
+}
+
+void test2();
+void test2(undef); // expected-error {{a parameter list without types is only allowed in a function definition}}
+void test2() { }
+
+void test3();
+void test3; // expected-error {{incomplete type}}
+void test3() { }
+
+void ellipsis1(...); // expected-error {{ISO C requires a named parameter before '...'}}