merge two tests.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83941 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/unused-expr.c b/test/Sema/unused-expr.c
index f8e7c91..84fe8ba 100644
--- a/test/Sema/unused-expr.c
+++ b/test/Sema/unused-expr.c
@@ -78,3 +78,21 @@
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}}
+