Add testcase for recent checkin.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@93503 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Sema/warn-unreachable.c b/test/Sema/warn-unreachable.c
new file mode 100644 (file)
index 0000000..2c123d0
--- /dev/null
+++ b/test/Sema/warn-unreachable.c
@@ -0,0 +1,20 @@
+// RUN: %clang %s -fsyntax-only -Xclang -verify -fblocks -Wunreachable-code
+
+void test1() {
+  goto c;
+  d:
+  goto e;       // expected-warning {{will never be executed}}
+  c: ;
+  int i;
+  return;
+  goto b;        // expected-warning {{will never be executed}}
+  goto a;        // expected-warning {{will never be executed}}
+  b:
+  i = 1;
+  a:
+  i = 2;
+  goto f;
+  e:
+  goto d;
+  f: ;
+}