Check for improper use of 'static' and type qualifiers in array

declarators.

They are only allowed for function parameters, and then only on the
outermost array type derivation.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161934 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 32 insertions, 10 deletions

diff --git a/test/Sema/static-array.c b/test/Sema/static-array.c
index 2d4b968dec..be8957c254 100644
--- a/test/Sema/static-array.c
+++ b/test/Sema/static-array.c
@@ -1,12 +1,9 @@
-// RUN: %clang_cc1 -fsyntax-only -verify %s
+// RUN: %clang_cc1 -fsyntax-only -fblocks -verify %s
 
 void cat0(int a[static 0]) {} // expected-warning {{'static' has no effect on zero-length arrays}}
 
 void cat(int a[static 3]) {} // expected-note 2 {{callee declares array parameter as static here}}
 
-typedef int i3[static 3];
-void tcat(i3 a) {}
-
 void vat(int i, int a[static i]) {} // expected-note {{callee declares array parameter as static here}}
 
 void f(int *p) {
@@ -20,12 +17,37 @@ void f(int *p) {
   cat(c);
   cat(p);
 
-  tcat(0); // expected-warning {{null passed to a callee which requires a non-null argument}}
-  tcat(a); // expected-warning {{array argument is too small; contains 2 elements, callee requires at least 3}}
-  tcat(b);
-  tcat(c);
-  tcat(p);
-
   vat(1, 0); // expected-warning {{null passed to a callee which requires a non-null argument}}
   vat(3, b);
 }
+
+
+typedef int td[static 3]; // expected-error {{'static' used in array declarator outside of function prototype}}
+typedef void(*fp)(int[static 42]); // no-warning
+
+void g(void) {
+  int a[static 42]; // expected-error {{'static' used in array declarator outside of function prototype}}
+
+  int b[const 10]; // expected-error {{type qualifier used in array declarator outside of function prototype}}
+  int c[volatile 10]; // expected-error {{type qualifier used in array declarator outside of function prototype}}
+  int d[restrict 10]; // expected-error {{type qualifier used in array declarator outside of function prototype}}
+
+  int e[static restrict 1]; // expected-error {{'static' used in array declarator outside of function prototype}}
+}
+
+void h(int [static const 10][42]); // no-warning
+
+void i(int [10]
+       [static 42]); // expected-error {{'static' used in non-outermost array type derivation}}
+
+void j(int [10]
+       [const 42]); // expected-error {{type qualifier used in non-outermost array type derivation}}
+
+void k(int (*x)[static 10]); // expected-error {{'static' used in non-outermost array type derivation}}
+void l(int (x)[static 10]); // no-warning
+void m(int *x[static 10]); // no-warning
+void n(int *(x)[static 10]); // no-warning
+
+void o(int (x[static 10])(void)); // expected-error{{'x' declared as array of functions of type 'int (void)'}}
+void p(int (^x)[static 10]); // expected-error{{block pointer to non-function type is invalid}}
+void q(int (^x[static 10])()); // no-warning