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

1 files changed, 102 insertions, 0 deletions

diff --git a/clang/test/Sema/statements.c b/clang/test/Sema/statements.c
new file mode 100644
index 0000000..f01ee40
--- /dev/null
+++ b/clang/test/Sema/statements.c
@@ -0,0 +1,102 @@
+// RUN: %clang_cc1 %s -fsyntax-only -verify
+
+typedef unsigned __uint32_t;
+
+#define __byte_swap_int_var(x) \
+__extension__ ({ register __uint32_t __X = (x); \
+   __asm ("bswap %0" : "+r" (__X)); \
+   __X; })
+
+int test(int _x) {
+ return (__byte_swap_int_var(_x));
+}
+
+// PR2374
+int test2() { return ({L:5;}); }
+int test3() { return ({ {5;} }); }         // expected-error {{returning 'void' from a function with incompatible result type 'int'}}\
+                                           // expected-warning {{expression result unused}}
+int test4() { return ({ ({5;}); }); }
+int test5() { return ({L1: L2: L3: 5;}); }
+int test6() { return ({5;}); }
+void test7() { ({5;}); }                   // expected-warning {{expression result unused}}
+
+// PR3062
+int test8[({10;})]; // expected-error {{statement expression not allowed at file scope}}
+
+// PR3912
+void test9(const void *P) {
+  __builtin_prefetch(P);
+}
+
+
+void *test10() { 
+bar:
+  return &&bar;  // expected-warning {{returning address of label, which is local}}
+}
+
+// PR6034
+void test11(int bit) {
+  switch (bit) // expected-warning {{switch statement has empty body}} expected-note {{put the semicolon on a separate line to silence this warning}}
+  switch (env->fpscr)  // expected-error {{use of undeclared identifier 'env'}}
+  {
+  }
+}
+
+// rdar://3271964
+enum Numbers { kOne,  kTwo,  kThree,  kFour};
+int test12(enum Numbers num) {
+  switch (num == kOne) {// expected-warning {{switch condition has boolean value}}
+  default: 
+  case kThree:
+    break;
+  }
+}
+
+
+enum x { a, b, c, d, e, f, g };
+
+void foo(enum x X) {
+  switch (X) { // expected-warning {{enumeration value 'g' not handled in switch}}
+  case a:
+  case b:
+  case c:
+  case d:
+  case e:
+  case f:
+    break;
+  }
+
+  switch (X) { // expected-warning {{enumeration values 'f' and 'g' not handled in switch}}
+  case a:
+  case b:
+  case c:
+  case d:
+  case e:
+    break;
+  }
+
+  switch (X) {  // expected-warning {{enumeration values 'e', 'f', and 'g' not handled in switch}}
+    case a:
+    case b:
+    case c:
+    case d:
+      break;
+  }
+
+  switch (X) { // expected-warning {{5 enumeration values not handled in switch: 'c', 'd', 'e'...}}
+  case a:
+  case b:
+    break;
+  }
+}
+
+// PR 8880
+// FIXME: Clang should reject this, since GCC does.  Previously this
+// was causing a crash in the CFG builder.
+int test_pr8880() {
+  int first = 1;
+  for ( ; ({ if (first) { first = 0; continue; } 0; }); )
+    return 0;
+  return 1;
+}
+