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-rw-r--r--clang/test/Sema/warn-unused-parameters.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/clang/test/Sema/warn-unused-parameters.c b/clang/test/Sema/warn-unused-parameters.c
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+++ b/clang/test/Sema/warn-unused-parameters.c
@@ -0,0 +1,30 @@
+// RUN: %clang_cc1 -fblocks -fsyntax-only -Wunused-parameter %s 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -fblocks -fsyntax-only -Wunused %s 2>&1 | FileCheck -check-prefix=CHECK-unused %s
+
+int f0(int x,
+ int y,
+ int z __attribute__((unused))) {
+ return x;
+}
+
+void f1() {
+ (void)^(int x,
+ int y,
+ int z __attribute__((unused))) { return x; };
+}
+
+// Used when testing '-Wunused' to see that we only emit one diagnostic, and no
+// warnings for the above cases.
+static void achor() {};
+
+// CHECK: 5:12: warning: unused parameter 'y'
+// CHECK: 12:15: warning: unused parameter 'y'
+// CHECK-unused: 1 warning generated
+
+// RUN: %clang_cc1 -fblocks -fsyntax-only -Weverything %s 2>&1 | FileCheck -check-prefix=CHECK-everything %s
+// RUN: %clang_cc1 -fblocks -fsyntax-only -Weverything -Werror %s 2>&1 | FileCheck -check-prefix=CHECK-everything-error %s
+// RUN: %clang_cc1 -fblocks -fsyntax-only -Weverything -Wno-unused %s 2>&1 | FileCheck -check-prefix=CHECK-everything-no-unused %s
+// CHECK-everything: 6 warnings generated
+// CHECK-everything-error: 5 errors generated
+// CHECK-everything-no-unused: 5 warnings generated
+