Add the clang library to the repo (with some of my changes, too).

1 files changed, 89 insertions, 0 deletions

diff --git a/clang/test/Sema/block-literal.c b/clang/test/Sema/block-literal.c
new file mode 100644
index 0000000..c303b84
--- /dev/null
+++ b/clang/test/Sema/block-literal.c
@@ -0,0 +1,89 @@
+// RUN: %clang_cc1 -fsyntax-only %s -verify -fblocks
+
+void I( void (^)(void));
+void (^noop)(void);
+
+void nothing();
+int printf(const char*, ...);
+
+typedef void (^T) (void);
+
+void takeblock(T);
+int takeintint(int (^C)(int)) { return C(4); }
+
+T somefunction() {
+  if (^{ })
+    nothing();
+
+  noop = ^{};
+
+  noop = ^{printf("\nClosure\n"); };
+
+  I(^{ });
+
+  return ^{printf("\nClosure\n"); };
+}
+void test2() {
+  int x = 4;
+
+  takeblock(^{ printf("%d\n", x); });
+
+  while (1) {
+    takeblock(^{ 
+        break;  // expected-error {{'break' statement not in loop or switch statement}}
+        continue; // expected-error {{'continue' statement not in loop statement}}
+        while(1) break;  // ok
+        goto foo; // expected-error {{use of undeclared label 'foo'}}
+        a: goto a;       // ok
+      });
+    break;
+  }
+
+  foo:
+  takeblock(^{ x = 4; });  // expected-error {{variable is not assignable (missing __block type specifier)}}
+  __block y = 7;    // expected-warning {{type specifier missing, defaults to 'int'}}
+  takeblock(^{ y = 8; });
+}
+
+
+void (^test3())(void) { 
+  return ^{};
+}
+
+void test4() {
+  void (^noop)(void) = ^{};
+  void (*noop2)() = 0;
+}
+
+void myfunc(int (^block)(int)) {}
+
+void myfunc3(const int *x);
+
+void test5() {
+  int a;
+
+  myfunc(^(int abcd) {
+      myfunc3(&a);
+      return 1;
+    });
+}
+
+void *X;
+
+void test_arguments() {
+  int y;
+  int (^c)(char);
+  (1 ? c : 0)('x');
+  (1 ? 0 : c)('x');
+
+  (1 ? c : c)('x');
+}
+
+static int global_x = 10;
+void (^global_block)(void) = ^{ printf("global x is %d\n", global_x); };
+
+typedef void (^void_block_t)(void);
+
+static const void_block_t myBlock = ^{ };
+
+static const void_block_t myBlock2 = ^ void(void) { };