1 files changed, 54 insertions, 0 deletions
diff --git a/test/Sema/attr-alias-elf.c b/test/Sema/attr-alias-elf.c
new file mode 100644
index 0000000..88bd7b7
--- /dev/null
+++ b/test/Sema/attr-alias-elf.c
@@ -0,0 +1,54 @@
+// RUN: %clang_cc1 -triple x86_64-pc-linux  -fsyntax-only -verify -emit-llvm-only %s
+
+void f1(void) __attribute__((alias("g1")));
+void g1(void) {
+}
+
+void f2(void) __attribute__((alias("g2"))); // expected-error {{alias must point to a defined variable or function}}
+
+
+void f3(void) __attribute__((alias("g3"))); // expected-error {{alias must point to a defined variable or function}}
+void g3(void);
+
+
+void f4() __attribute__((alias("g4")));
+void g4() {}
+void h4() __attribute__((alias("f4")));
+
+void f5() __attribute__((alias("g5")));
+void h5() __attribute__((alias("f5")));
+void g5() {}
+
+void g6() {}
+void f6() __attribute__((alias("g6")));
+void h6() __attribute__((alias("f6")));
+
+void g7() {}
+void h7() __attribute__((alias("f7")));
+void f7() __attribute__((alias("g7")));
+
+void h8() __attribute__((alias("f8")));
+void g8() {}
+void f8() __attribute__((alias("g8")));
+
+void h9() __attribute__((alias("f9")));
+void f9() __attribute__((alias("g9")));
+void g9() {}
+
+void f10() __attribute__((alias("g10"))); // expected-error {{alias definition is part of a cycle}}
+void g10() __attribute__((alias("f10"))); // expected-error {{alias definition is part of a cycle}}
+
+// FIXME: This could be a bit better, h10 is not part of the cycle, it points
+// to it.
+void h10() __attribute__((alias("g10"))); // expected-error {{alias definition is part of a cycle}}
+
+extern int a1 __attribute__((alias("b1")));
+int b1 = 42;
+
+extern int a2 __attribute__((alias("b2"))); // expected-error {{alias must point to a defined variable or function}}
+
+extern int a3 __attribute__((alias("b3"))); // expected-error {{alias must point to a defined variable or function}}
+extern int b3;
+
+extern int a4 __attribute__((alias("b4"))); // expected-error {{alias must point to a defined variable or function}}
+typedef int b4;