Emit dead store warnings for ++ and -- operators.

llvm-svn: 50679

1 files changed, 8 insertions, 1 deletions

diff --git a/clang/test/Analysis/dead-stores.c b/clang/test/Analysis/dead-stores.c
index 58960605f08..2ec9b48f006 100644
--- a/clang/test/Analysis/dead-stores.c
+++ b/clang/test/Analysis/dead-stores.c
@@ -35,4 +35,11 @@ void f5() {
   int x = 4; // no-warning
   int *p = &x; // expected-warning{{value stored to variable is never used}}
 
-}
\ No newline at end of file
+}
+
+int f6() {
+  
+  int x = 4;
+  ++x; // expected-warning{{value stored to variable is never used}}
+  return 1;
+}