Disable all recognition of main() in -ffreestanding. Addresses bug #4720.

llvm-svn: 79070

1 files changed, 9 insertions, 0 deletions

diff --git a/clang/test/Sema/freemain.c b/clang/test/Sema/freemain.c
new file mode 100644
index 00000000000..a2364df259b
--- /dev/null
+++ b/clang/test/Sema/freemain.c
@@ -0,0 +1,9 @@
+// RUN: clang-cc -fsyntax-only -verify -ffreestanding %s
+
+// Tests that -ffreestanding disables all special treatment of main().
+
+void* allocate(long size);
+
+void* main(void* context, long size) {
+  if (context) return allocate(size);
+} // expected-warning {{control may reach end of non-void function}}