1 files changed, 14 insertions, 0 deletions
diff --git a/test/Analysis/std-c-library-functions.cpp b/test/Analysis/std-c-library-functions.cpp
new file mode 100644
index 000000000000..e6ac66bc81a3
--- /dev/null
+++ b/test/Analysis/std-c-library-functions.cpp
@@ -0,0 +1,14 @@
+// RUN: %clang_cc1 -triple x86_64-unknown-linux -analyze -analyzer-checker=unix.StdCLibraryFunctions,debug.ExprInspection -verify %s
+
+// Test that we don't model functions with broken prototypes.
+// Because they probably work differently as well.
+//
+// This test lives in a separate file because we wanted to test all functions
+// in the .c file, however in C there are no overloads.
+
+void clang_analyzer_eval(bool);
+bool isalpha(char);
+
+void test() {
+  clang_analyzer_eval(isalpha('A')); // no-crash // expected-warning{{UNKNOWN}}
+}