vendor/clang/clang-trunk-r154661

1 files changed, 15 insertions, 0 deletions

diff --git a/test/SemaCXX/format-strings-0x.cpp b/test/SemaCXX/format-strings-0x.cpp
new file mode 100644
index 000000000000..e7c5904c66e3
--- /dev/null
+++ b/test/SemaCXX/format-strings-0x.cpp
@@ -0,0 +1,15 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -pedantic -std=c++11 %s
+
+extern "C" {
+extern int scanf(const char *restrict, ...);
+extern int printf(const char *restrict, ...);
+}
+
+void f(char **sp, float *fp) {
+  scanf("%as", sp); // expected-warning{{format specifies type 'float *' but the argument has type 'char **'}}
+
+  printf("%a", 1.0);
+  scanf("%afoobar", fp);
+  printf(nullptr);
+  printf(*sp); // expected-warning {{not a string literal}}
+}