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-rw-r--r--test/SemaCXX/unreachable-code.cpp41
1 files changed, 41 insertions, 0 deletions
diff --git a/test/SemaCXX/unreachable-code.cpp b/test/SemaCXX/unreachable-code.cpp
new file mode 100644
index 0000000..528bba7
--- /dev/null
+++ b/test/SemaCXX/unreachable-code.cpp
@@ -0,0 +1,41 @@
+// RUN: %clang_cc1 -fsyntax-only -Wunreachable-code -fblocks -verify %s
+
+int j;
+void bar() { }
+int test1() {
+ for (int i = 0;
+ i != 10;
+ ++i) { // expected-warning {{will never be executed}}
+ if (j == 23) // missing {}'s
+ bar();
+ return 1;
+ }
+ return 0;
+ return 1; // expected-warning {{will never be executed}}
+}
+
+void test2(int i) {
+ switch (i) {
+ case 0:
+ break;
+ bar(); // expected-warning {{will never be executed}}
+ case 2:
+ switch (i) {
+ default:
+ a: goto a;
+ }
+ bar(); // expected-warning {{will never be executed}}
+ }
+ b: goto b;
+ bar(); // expected-warning {{will never be executed}}
+}
+
+void test3() {
+ ^{ return;
+ bar(); // expected-warning {{will never be executed}}
+ }();
+ while (++j) {
+ continue;
+ bar(); // expected-warning {{will never be executed}}
+ }
+}
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