merge two tests.

llvm-svn: 83941

1 files changed, 18 insertions, 0 deletions

diff --git a/clang/test/Sema/unused-expr.c b/clang/test/Sema/unused-expr.c
index f8e7c91474a..84fe8ba9d63 100644
--- a/clang/test/Sema/unused-expr.c
+++ b/clang/test/Sema/unused-expr.c
@@ -78,3 +78,21 @@ int t5f(void) __attribute__((warn_unused_result));
 void t5() {
   t5f();   // expected-warning {{ignoring return value of function declared with warn_unused_result}}
 }
+
+
+int fn1() __attribute__ ((warn_unused_result));
+int fn2() __attribute__ ((pure));
+int fn3() __attribute__ ((const));
+
+int t6() {
+  if (fn1() < 0 || fn2(2,1) < 0 || fn3(2) < 0)  // no warnings
+    return -1;
+  
+  fn1();  // expected-warning {{ignoring return value of function declared with warn_unused_result attribute}}
+  fn2(92, 21);  // expected-warning {{ignoring return value of function declared with pure attribute}}
+  fn3(42);  // expected-warning {{ignoring return value of function declared with const attribute}}
+  return 0;
+}
+
+int t7 __attribute__ ((warn_unused_result)); // expected-warning {{warning: 'warn_unused_result' attribute only applies to function types}}
+