1 files changed, 32 insertions, 0 deletions
diff --git a/test/Analysis/malloc-custom.c b/test/Analysis/malloc-custom.c
new file mode 100644
index 000000000000..3c16bbd17e68
--- /dev/null
+++ b/test/Analysis/malloc-custom.c
@@ -0,0 +1,32 @@
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,unix.Malloc -Wno-incompatible-library-redeclaration -verify %s
+
+// Various tests to make the the analyzer is robust against custom
+// redeclarations of memory routines.
+//
+// You wouldn't expect to see much of this in normal code, but, for example,
+// CMake tests can generate these.
+
+// expected-no-diagnostics
+
+char alloca();
+char malloc();
+char realloc();
+char kmalloc();
+char valloc();
+char calloc();
+
+char free();
+char kfree();
+
+void testCustomArgumentlessAllocation() {
+  alloca(); // no-crash
+  malloc(); // no-crash
+  realloc(); // no-crash
+  kmalloc(); // no-crash
+  valloc(); // no-crash
+  calloc(); // no-crash
+
+  free(); // no-crash
+  kfree(); // no-crash
+}
+