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-rw-r--r--test/SemaCXX/unused.cpp12
1 files changed, 10 insertions, 2 deletions
diff --git a/test/SemaCXX/unused.cpp b/test/SemaCXX/unused.cpp
index fbaf8c8bf3c12..09a179e7bb851 100644
--- a/test/SemaCXX/unused.cpp
+++ b/test/SemaCXX/unused.cpp
@@ -1,4 +1,6 @@
// RUN: %clang_cc1 -fsyntax-only -verify %s
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
// PR4103 : Make sure we don't get a bogus unused expression warning
namespace PR4103 {
@@ -28,8 +30,14 @@ namespace PR4103 {
namespace derefvolatile {
void f(volatile char* x) {
- *x; // expected-warning {{expression result unused; assign into a variable to force a volatile load}}
- (void)*x; // expected-warning {{expression result unused; assign into a variable to force a volatile load}}
+ *x;
+#if __cplusplus <= 199711L
+ // expected-warning@-2 {{expression result unused; assign into a variable to force a volatile load}}
+#endif
+ (void)*x;
+#if __cplusplus <= 199711L
+ // expected-warning@-2 {{expression result unused; assign into a variable to force a volatile load}}
+#endif
volatile char y = 10;
(void)y; // don't warn here, because it's a common pattern.
}