Emit a warning when the body of an if block is a NullStmt.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42840 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/default.c b/test/Sema/default.c
index b51ab9a..92f7278 100644
--- a/test/Sema/default.c
+++ b/test/Sema/default.c
@@ -3,6 +3,6 @@
void f5 (int z) {
if (z)
default: // expected-error {{not in switch statement}}
- ;
+ ; // expected-warning {{if statement has empty body}}
}
diff --git a/test/Sema/if-empty-body.c b/test/Sema/if-empty-body.c
new file mode 100644
index 0000000..1dc9e44
--- /dev/null
+++ b/test/Sema/if-empty-body.c
@@ -0,0 +1,9 @@
+// RUN: clang -parse-ast -verify %s
+
+void f1(int a) {
+ if (a); // expected-warning {{if statement has empty body}}
+}
+
+void f2(int a) {
+ if (a) {}
+}