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-rw-r--r--test/Sema/warn-unused-value.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/test/Sema/warn-unused-value.c b/test/Sema/warn-unused-value.c
index 2e0fa54effbf..16b787f77441 100644
--- a/test/Sema/warn-unused-value.c
+++ b/test/Sema/warn-unused-value.c
@@ -1,4 +1,6 @@
// RUN: %clang_cc1 -fsyntax-only -verify -Wunused-value %s
+// RUN: %clang_cc1 -fsyntax-only -verify -Wunused %s
+// RUN: %clang_cc1 -fsyntax-only -verify -Wall %s
int i = 0;
int j = 0;
@@ -51,3 +53,16 @@ void pr4806() {
*pi; // expected-warning {{expression result unused}}
*pj;
}
+
+// Don't warn about unused '||', '&&' expressions that contain assignments.
+int test_logical_foo1();
+int test_logical_foo2();
+int test_logical_foo3();
+int test_logical_bar() {
+ int x = 0;
+ (x = test_logical_foo1()) || // no-warning
+ (x = test_logical_foo2()) || // no-warning
+ (x = test_logical_foo3()); // no-warning
+ return x;
+}
+