1 files changed, 30 insertions, 0 deletions
diff --git a/test/Sema/asm-label.c b/test/Sema/asm-label.c
new file mode 100644
index 000000000000..87cda2f5335c
--- /dev/null
+++ b/test/Sema/asm-label.c
@@ -0,0 +1,30 @@
+// RUN: %clang_cc1 -verify %s
+
+void f();
+void f() __asm__("fish");
+void g();
+
+void f() {
+  g();
+}
+void g() __asm__("gold");  // expected-error{{cannot apply asm label to function after its first use}}
+
+void h() __asm__("hose");  // expected-note{{previous declaration is here}}
+void h() __asm__("hair");  // expected-error{{conflicting asm label}}
+
+int x;
+int x __asm__("xenon");
+int y;
+
+int test() { return y; }
+
+int y __asm__("yacht");  // expected-error{{cannot apply asm label to variable after its first use}}
+
+int z __asm__("zebra");  // expected-note{{previous declaration is here}}
+int z __asm__("zooms");  // expected-error{{conflicting asm label}}
+
+
+// No diagnostics on the following.
+void __real_readlink() __asm("readlink");
+void readlink() __asm("__protected_readlink");
+void readlink() { __real_readlink(); }