Add a warning to catch a bug recently caught by code review, like this:

t2.c:2:12: warning: use of logical && with constant operand; switch to bitwise &
      or remove constant [-Wlogical-bitwise-confusion]
  return x && 4;
           ^  ~

wording improvement suggestions are welcome.

llvm-svn: 108260

1 files changed, 2 insertions, 1 deletions

diff --git a/clang/test/SemaCXX/switch.cpp b/clang/test/SemaCXX/switch.cpp
index fc13630bbf1..54240dcc305 100644
--- a/clang/test/SemaCXX/switch.cpp
+++ b/clang/test/SemaCXX/switch.cpp
@@ -8,7 +8,8 @@ void test() {
   }
 
   int n = 3;
-  switch (n && 1) { // expected-warning {{bool}}
+  switch (n && 1) { // expected-warning {{bool}} \
+                    // expected-warning {{use of logical && with constant operand}}
     case 1:
       break;
   }