1 files changed, 14 insertions, 0 deletions
diff --git a/test/Sema/implicit-builtin-redecl.c b/test/Sema/implicit-builtin-redecl.c
new file mode 100644
index 0000000..cd99b54
--- /dev/null
+++ b/test/Sema/implicit-builtin-redecl.c
@@ -0,0 +1,14 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+
+// PR3592
+static void* malloc(int);
+static void* malloc(int size) {
+  return ((void*)0); /*do not use heap in this file*/
+}
+
+void *calloc(int, int, int); // expected-warning{{incompatible redeclaration of library function 'calloc' will be ignored}} \
+// expected-note{{'calloc' is a builtin with type 'void *}}
+
+void f1(void) { 
+  calloc(0, 0, 0);
+}