Add the exception for strings in logical and expressions to -Wstring-conversion

for C code.

llvm-svn: 222327

1 files changed, 17 insertions, 0 deletions

diff --git a/clang/test/Sema/warn-string-conversion.c b/clang/test/Sema/warn-string-conversion.c
new file mode 100644
index 00000000000..708dd543e40
--- /dev/null
+++ b/clang/test/Sema/warn-string-conversion.c
@@ -0,0 +1,17 @@
+// RUN: %clang_cc1 -verify -fsyntax-only -Wstring-conversion %s
+
+#define assert(EXPR) (void)(EXPR);
+
+// Expection for common assert form.
+void test1() {
+  assert(0 && "foo");
+  assert("foo" && 0);
+  assert(0 || "foo"); // expected-warning {{string literal}}
+}
+
+void test2() {
+  if ("hi") {}           // expected-warning {{string literal}}
+  while ("hello") {}     // expected-warning {{string literal}}
+  for (;"howdy";) {}     // expected-warning {{string literal}}
+  do { } while ("hey");  // expected-warning {{string literal}}
+}